Home / 157,787.10-236,565.45-64,244.70

Finding the Fourth Proportional to 157,787.10, 236,565.45 and 64,244.70

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Solution

The fourth proportional to 157,787.10, 236,565.45 and 64,244.70 is: 96,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,787.10 : 236,565.45 = 64,244.70 : x
  2. Step 2: Convert to fraction form
    157,787.10/236,565.45 = 64,244.70/x
  3. Step 3: Cross multiply
    157,787.10x = 236,565.45 × 64,244.70
  4. Step 4: Simplify right side
    157,787.10x = 15,198,076,365.62
  5. Step 5: Solve for x
    x = 15,198,076,365.62/157,787.10
  6. Step 6: Final answer
    x = 96,320.15

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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.