Home / 157,488.85-217,353.06-89,516.04

Finding the Fourth Proportional to 157,488.85, 217,353.06 and 89,516.04

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Solution

The fourth proportional to 157,488.85, 217,353.06 and 89,516.04 is: 123,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,488.85 : 217,353.06 = 89,516.04 : x
  2. Step 2: Convert to fraction form
    157,488.85/217,353.06 = 89,516.04/x
  3. Step 3: Cross multiply
    157,488.85x = 217,353.06 × 89,516.04
  4. Step 4: Simplify right side
    157,488.85x = 19,456,585,213.08
  5. Step 5: Solve for x
    x = 19,456,585,213.08/157,488.85
  6. Step 6: Final answer
    x = 123,542.62

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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.