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Finding the Fourth Proportional to 101,517.84, 140,108.94 and 59,090.04

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Solution

The fourth proportional to 101,517.84, 140,108.94 and 59,090.04 is: 81,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,517.84 : 140,108.94 = 59,090.04 : x
  2. Step 2: Convert to fraction form
    101,517.84/140,108.94 = 59,090.04/x
  3. Step 3: Cross multiply
    101,517.84x = 140,108.94 × 59,090.04
  4. Step 4: Simplify right side
    101,517.84x = 8,279,042,868.96
  5. Step 5: Solve for x
    x = 8,279,042,868.96/101,517.84
  6. Step 6: Final answer
    x = 81,552.59

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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.