Home / 88,116.53-132,145.11-31,944.87

Finding the Fourth Proportional to 88,116.53, 132,145.11 and 31,944.87

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Solution

The fourth proportional to 88,116.53, 132,145.11 and 31,944.87 is: 47,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,116.53 : 132,145.11 = 31,944.87 : x
  2. Step 2: Convert to fraction form
    88,116.53/132,145.11 = 31,944.87/x
  3. Step 3: Cross multiply
    88,116.53x = 132,145.11 × 31,944.87
  4. Step 4: Simplify right side
    88,116.53x = 4,221,358,360.09
  5. Step 5: Solve for x
    x = 4,221,358,360.09/88,116.53
  6. Step 6: Final answer
    x = 47,906.55

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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.