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Finding the Fourth Proportional to 87,525.60, 131,256 and 68,842

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Solution

The fourth proportional to 87,525.60, 131,256 and 68,842 is: 103,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525.60 : 131,256 = 68,842 : x
  2. Step 2: Convert to fraction form
    87,525.60/131,256 = 68,842/x
  3. Step 3: Cross multiply
    87,525.60x = 131,256 × 68,842
  4. Step 4: Simplify right side
    87,525.60x = 9,035,925,552
  5. Step 5: Solve for x
    x = 9,035,925,552/87,525.60
  6. Step 6: Final answer
    x = 103,237.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.