Home / 157,265.10-234,757.45-145,557.83

Finding the Fourth Proportional to 157,265.10, 234,757.45 and 145,557.83

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Solution

The fourth proportional to 157,265.10, 234,757.45 and 145,557.83 is: 217,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,265.10 : 234,757.45 = 145,557.83 : x
  2. Step 2: Convert to fraction form
    157,265.10/234,757.45 = 145,557.83/x
  3. Step 3: Cross multiply
    157,265.10x = 234,757.45 × 145,557.83
  4. Step 4: Simplify right side
    157,265.10x = 34,170,785,767.17
  5. Step 5: Solve for x
    x = 34,170,785,767.17/157,265.10
  6. Step 6: Final answer
    x = 217,281.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.