Home / 161,337.47-222,645.87-89,715.95

Finding the Fourth Proportional to 161,337.47, 222,645.87 and 89,715.95

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Solution

The fourth proportional to 161,337.47, 222,645.87 and 89,715.95 is: 123,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,337.47 : 222,645.87 = 89,715.95 : x
  2. Step 2: Convert to fraction form
    161,337.47/222,645.87 = 89,715.95/x
  3. Step 3: Cross multiply
    161,337.47x = 222,645.87 × 89,715.95
  4. Step 4: Simplify right side
    161,337.47x = 19,974,884,627.40
  5. Step 5: Solve for x
    x = 19,974,884,627.40/161,337.47
  6. Step 6: Final answer
    x = 123,808.10

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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.