Home / 305,132.50-457,698.75-118,144

Finding the Fourth Proportional to 305,132.50, 457,698.75 and 118,144

Calculator

Solution

The fourth proportional to 305,132.50, 457,698.75 and 118,144 is: 177,216

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,132.50 : 457,698.75 = 118,144 : x
  2. Step 2: Convert to fraction form
    305,132.50/457,698.75 = 118,144/x
  3. Step 3: Cross multiply
    305,132.50x = 457,698.75 × 118,144
  4. Step 4: Simplify right side
    305,132.50x = 54,074,361,120
  5. Step 5: Solve for x
    x = 54,074,361,120/305,132.50
  6. Step 6: Final answer
    x = 177,216

Related Problems

Find fourth proportional to 152,566.25, 228,849.38 and 59,072
Half scale
Find fourth proportional to 610,265, 915,397.50 and 236,288
Double scale
Find fourth proportional to 305,133.50, 457,700.25 and 118,145
Similar ratio
Find fourth proportional to 457,698.75, 686,548.13 and 177,216
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.