Home / 159,839.19-220,577.61-88,218.71

Finding the Fourth Proportional to 159,839.19, 220,577.61 and 88,218.71

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Solution

The fourth proportional to 159,839.19, 220,577.61 and 88,218.71 is: 121,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,839.19 : 220,577.61 = 88,218.71 : x
  2. Step 2: Convert to fraction form
    159,839.19/220,577.61 = 88,218.71/x
  3. Step 3: Cross multiply
    159,839.19x = 220,577.61 × 88,218.71
  4. Step 4: Simplify right side
    159,839.19x = 19,459,072,209.08
  5. Step 5: Solve for x
    x = 19,459,072,209.08/159,839.19
  6. Step 6: Final answer
    x = 121,741.56

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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.