Home / 94,609.28-141,939.44-31,439.61

Finding the Fourth Proportional to 94,609.28, 141,939.44 and 31,439.61

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Solution

The fourth proportional to 94,609.28, 141,939.44 and 31,439.61 is: 47,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,609.28 : 141,939.44 = 31,439.61 : x
  2. Step 2: Convert to fraction form
    94,609.28/141,939.44 = 31,439.61/x
  3. Step 3: Cross multiply
    94,609.28x = 141,939.44 × 31,439.61
  4. Step 4: Simplify right side
    94,609.28x = 4,462,520,480.02
  5. Step 5: Solve for x
    x = 4,462,520,480.02/94,609.28
  6. Step 6: Final answer
    x = 47,167.90

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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.