Home / 161,305.20-222,594.78-89,679.96

Finding the Fourth Proportional to 161,305.20, 222,594.78 and 89,679.96

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Solution

The fourth proportional to 161,305.20, 222,594.78 and 89,679.96 is: 123,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,305.20 : 222,594.78 = 89,679.96 : x
  2. Step 2: Convert to fraction form
    161,305.20/222,594.78 = 89,679.96/x
  3. Step 3: Cross multiply
    161,305.20x = 222,594.78 × 89,679.96
  4. Step 4: Simplify right side
    161,305.20x = 19,962,290,966.61
  5. Step 5: Solve for x
    x = 19,962,290,966.61/161,305.20
  6. Step 6: Final answer
    x = 123,754.79

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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.