Home / 145,928-218,892-35,120

Finding the Fourth Proportional to 145,928, 218,892 and 35,120

Calculator

Solution

The fourth proportional to 145,928, 218,892 and 35,120 is: 52,680

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,928 : 218,892 = 35,120 : x
  2. Step 2: Convert to fraction form
    145,928/218,892 = 35,120/x
  3. Step 3: Cross multiply
    145,928x = 218,892 × 35,120
  4. Step 4: Simplify right side
    145,928x = 7,687,487,040
  5. Step 5: Solve for x
    x = 7,687,487,040/145,928
  6. Step 6: Final answer
    x = 52,680

Related Problems

Find fourth proportional to 72,964, 109,446 and 17,560
Half scale
Find fourth proportional to 291,856, 437,784 and 70,240
Double scale
Find fourth proportional to 145,929, 218,893.50 and 35,121
Similar ratio
Find fourth proportional to 218,892, 328,338 and 52,680
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.