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Finding the Fourth Proportional to 101,515.59, 140,105.84 and 59,087.79

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Solution

The fourth proportional to 101,515.59, 140,105.84 and 59,087.79 is: 81,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,515.59 : 140,105.84 = 59,087.79 : x
  2. Step 2: Convert to fraction form
    101,515.59/140,105.84 = 59,087.79/x
  3. Step 3: Cross multiply
    101,515.59x = 140,105.84 × 59,087.79
  4. Step 4: Simplify right side
    101,515.59x = 8,278,544,156.25
  5. Step 5: Solve for x
    x = 8,278,544,156.25/101,515.59
  6. Step 6: Final answer
    x = 81,549.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.