Home / 157,400.20-236,129.10-63,915.40

Finding the Fourth Proportional to 157,400.20, 236,129.10 and 63,915.40

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Solution

The fourth proportional to 157,400.20, 236,129.10 and 63,915.40 is: 95,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,400.20 : 236,129.10 = 63,915.40 : x
  2. Step 2: Convert to fraction form
    157,400.20/236,129.10 = 63,915.40/x
  3. Step 3: Cross multiply
    157,400.20x = 236,129.10 × 63,915.40
  4. Step 4: Simplify right side
    157,400.20x = 15,092,285,878.14
  5. Step 5: Solve for x
    x = 15,092,285,878.14/157,400.20
  6. Step 6: Final answer
    x = 95,884.79

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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.