Home / 157,483.05-217,332.08-89,502.90

Finding the Fourth Proportional to 157,483.05, 217,332.08 and 89,502.90

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Solution

The fourth proportional to 157,483.05, 217,332.08 and 89,502.90 is: 123,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,483.05 : 217,332.08 = 89,502.90 : x
  2. Step 2: Convert to fraction form
    157,483.05/217,332.08 = 89,502.90/x
  3. Step 3: Cross multiply
    157,483.05x = 217,332.08 × 89,502.90
  4. Step 4: Simplify right side
    157,483.05x = 19,451,851,423.03
  5. Step 5: Solve for x
    x = 19,451,851,423.03/157,483.05
  6. Step 6: Final answer
    x = 123,517.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.