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Finding the Fourth Proportional to 173,684.88, 239,691.96 and 113,295.60

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Solution

The fourth proportional to 173,684.88, 239,691.96 and 113,295.60 is: 156,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,684.88 : 239,691.96 = 113,295.60 : x
  2. Step 2: Convert to fraction form
    173,684.88/239,691.96 = 113,295.60/x
  3. Step 3: Cross multiply
    173,684.88x = 239,691.96 × 113,295.60
  4. Step 4: Simplify right side
    173,684.88x = 27,156,044,423.38
  5. Step 5: Solve for x
    x = 27,156,044,423.38/173,684.88
  6. Step 6: Final answer
    x = 156,352.38

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1.5x scale

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.