Home / 131,591.30-197,385.13-31,750.66

Finding the Fourth Proportional to 131,591.30, 197,385.13 and 31,750.66

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Solution

The fourth proportional to 131,591.30, 197,385.13 and 31,750.66 is: 47,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,591.30 : 197,385.13 = 31,750.66 : x
  2. Step 2: Convert to fraction form
    131,591.30/197,385.13 = 31,750.66/x
  3. Step 3: Cross multiply
    131,591.30x = 197,385.13 × 31,750.66
  4. Step 4: Simplify right side
    131,591.30x = 6,267,107,992.93
  5. Step 5: Solve for x
    x = 6,267,107,992.93/131,591.30
  6. Step 6: Final answer
    x = 47,625.55

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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.