Home / 157,336.43-217,124.53-89,353.38

Finding the Fourth Proportional to 157,336.43, 217,124.53 and 89,353.38

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Solution

The fourth proportional to 157,336.43, 217,124.53 and 89,353.38 is: 123,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,336.43 : 217,124.53 = 89,353.38 : x
  2. Step 2: Convert to fraction form
    157,336.43/217,124.53 = 89,353.38/x
  3. Step 3: Cross multiply
    157,336.43x = 217,124.53 × 89,353.38
  4. Step 4: Simplify right side
    157,336.43x = 19,400,810,508.53
  5. Step 5: Solve for x
    x = 19,400,810,508.53/157,336.43
  6. Step 6: Final answer
    x = 123,307.81

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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.