Home / 137,587.60-189,898.16-89,249.44

Finding the Fourth Proportional to 137,587.60, 189,898.16 and 89,249.44

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Solution

The fourth proportional to 137,587.60, 189,898.16 and 89,249.44 is: 123,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,587.60 : 189,898.16 = 89,249.44 : x
  2. Step 2: Convert to fraction form
    137,587.60/189,898.16 = 89,249.44/x
  3. Step 3: Cross multiply
    137,587.60x = 189,898.16 × 89,249.44
  4. Step 4: Simplify right side
    137,587.60x = 16,948,304,437.03
  5. Step 5: Solve for x
    x = 16,948,304,437.03/137,587.60
  6. Step 6: Final answer
    x = 123,181.92

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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.