Home / 157,539.43-217,395.75-89,546.95

Finding the Fourth Proportional to 157,539.43, 217,395.75 and 89,546.95

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Solution

The fourth proportional to 157,539.43, 217,395.75 and 89,546.95 is: 123,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,539.43 : 217,395.75 = 89,546.95 : x
  2. Step 2: Convert to fraction form
    157,539.43/217,395.75 = 89,546.95/x
  3. Step 3: Cross multiply
    157,539.43x = 217,395.75 × 89,546.95
  4. Step 4: Simplify right side
    157,539.43x = 19,467,126,355.46
  5. Step 5: Solve for x
    x = 19,467,126,355.46/157,539.43
  6. Step 6: Final answer
    x = 123,569.87

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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.