Home / 96,331.60-144,490.20-40,157.20

Finding the Fourth Proportional to 96,331.60, 144,490.20 and 40,157.20

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Solution

The fourth proportional to 96,331.60, 144,490.20 and 40,157.20 is: 60,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,331.60 : 144,490.20 = 40,157.20 : x
  2. Step 2: Convert to fraction form
    96,331.60/144,490.20 = 40,157.20/x
  3. Step 3: Cross multiply
    96,331.60x = 144,490.20 × 40,157.20
  4. Step 4: Simplify right side
    96,331.60x = 5,802,321,859.44
  5. Step 5: Solve for x
    x = 5,802,321,859.44/96,331.60
  6. Step 6: Final answer
    x = 60,232.80

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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.