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Finding the Fourth Proportional to 95,581.88, 143,178.42 and 48,167.72

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Solution

The fourth proportional to 95,581.88, 143,178.42 and 48,167.72 is: 72,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,581.88 : 143,178.42 = 48,167.72 : x
  2. Step 2: Convert to fraction form
    95,581.88/143,178.42 = 48,167.72/x
  3. Step 3: Cross multiply
    95,581.88x = 143,178.42 × 48,167.72
  4. Step 4: Simplify right side
    95,581.88x = 6,896,578,044.60
  5. Step 5: Solve for x
    x = 6,896,578,044.60/95,581.88
  6. Step 6: Final answer
    x = 72,153.61

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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.