Home / 146,986.61-220,481.13-47,147

Finding the Fourth Proportional to 146,986.61, 220,481.13 and 47,147

Calculator

Solution

The fourth proportional to 146,986.61, 220,481.13 and 47,147 is: 70,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,986.61 : 220,481.13 = 47,147 : x
  2. Step 2: Convert to fraction form
    146,986.61/220,481.13 = 47,147/x
  3. Step 3: Cross multiply
    146,986.61x = 220,481.13 × 47,147
  4. Step 4: Simplify right side
    146,986.61x = 10,395,023,836.11
  5. Step 5: Solve for x
    x = 10,395,023,836.11/146,986.61
  6. Step 6: Final answer
    x = 70,720.89

Related Problems

Find fourth proportional to 73,493.31, 110,240.57 and 23,573.50
Half scale
Find fourth proportional to 293,973.22, 440,962.26 and 94,294
Double scale
Find fourth proportional to 146,987.61, 220,482.63 and 47,148
Similar ratio
Find fourth proportional to 220,479.92, 330,721.70 and 70,720.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.