Home / 157,371.68-217,166.11-89,388.44

Finding the Fourth Proportional to 157,371.68, 217,166.11 and 89,388.44

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Solution

The fourth proportional to 157,371.68, 217,166.11 and 89,388.44 is: 123,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,371.68 : 217,166.11 = 89,388.44 : x
  2. Step 2: Convert to fraction form
    157,371.68/217,166.11 = 89,388.44/x
  3. Step 3: Cross multiply
    157,371.68x = 217,166.11 × 89,388.44
  4. Step 4: Simplify right side
    157,371.68x = 19,412,141,023.21
  5. Step 5: Solve for x
    x = 19,412,141,023.21/157,371.68
  6. Step 6: Final answer
    x = 123,352.19

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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.