Home / 161,332.28-222,635.73-89,710.76

Finding the Fourth Proportional to 161,332.28, 222,635.73 and 89,710.76

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Solution

The fourth proportional to 161,332.28, 222,635.73 and 89,710.76 is: 123,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,332.28 : 222,635.73 = 89,710.76 : x
  2. Step 2: Convert to fraction form
    161,332.28/222,635.73 = 89,710.76/x
  3. Step 3: Cross multiply
    161,332.28x = 222,635.73 × 89,710.76
  4. Step 4: Simplify right side
    161,332.28x = 19,972,819,428.28
  5. Step 5: Solve for x
    x = 19,972,819,428.28/161,332.28
  6. Step 6: Final answer
    x = 123,799.28

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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.