Home / 89,298.44-133,947.68-69,591.76

Finding the Fourth Proportional to 89,298.44, 133,947.68 and 69,591.76

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Solution

The fourth proportional to 89,298.44, 133,947.68 and 69,591.76 is: 104,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,298.44 : 133,947.68 = 69,591.76 : x
  2. Step 2: Convert to fraction form
    89,298.44/133,947.68 = 69,591.76/x
  3. Step 3: Cross multiply
    89,298.44x = 133,947.68 × 69,591.76
  4. Step 4: Simplify right side
    89,298.44x = 9,321,654,799.12
  5. Step 5: Solve for x
    x = 9,321,654,799.12/89,298.44
  6. Step 6: Final answer
    x = 104,387.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.