Home / 157,369.20-217,167.24-89,385.36

Finding the Fourth Proportional to 157,369.20, 217,167.24 and 89,385.36

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Solution

The fourth proportional to 157,369.20, 217,167.24 and 89,385.36 is: 123,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,369.20 : 217,167.24 = 89,385.36 : x
  2. Step 2: Convert to fraction form
    157,369.20/217,167.24 = 89,385.36/x
  3. Step 3: Cross multiply
    157,369.20x = 217,167.24 × 89,385.36
  4. Step 4: Simplify right side
    157,369.20x = 19,411,571,927.61
  5. Step 5: Solve for x
    x = 19,411,571,927.61/157,369.20
  6. Step 6: Final answer
    x = 123,350.52

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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.