Home / 88,318.08-132,449.04-29,142.72

Finding the Fourth Proportional to 88,318.08, 132,449.04 and 29,142.72

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Solution

The fourth proportional to 88,318.08, 132,449.04 and 29,142.72 is: 43,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,318.08 : 132,449.04 = 29,142.72 : x
  2. Step 2: Convert to fraction form
    88,318.08/132,449.04 = 29,142.72/x
  3. Step 3: Cross multiply
    88,318.08x = 132,449.04 × 29,142.72
  4. Step 4: Simplify right side
    88,318.08x = 3,859,925,286.99
  5. Step 5: Solve for x
    x = 3,859,925,286.99/88,318.08
  6. Step 6: Final answer
    x = 43,704.81

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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.