Home / 140,132.97-193,387.61-76,474.87

Finding the Fourth Proportional to 140,132.97, 193,387.61 and 76,474.87

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Solution

The fourth proportional to 140,132.97, 193,387.61 and 76,474.87 is: 105,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,132.97 : 193,387.61 = 76,474.87 : x
  2. Step 2: Convert to fraction form
    140,132.97/193,387.61 = 76,474.87/x
  3. Step 3: Cross multiply
    140,132.97x = 193,387.61 × 76,474.87
  4. Step 4: Simplify right side
    140,132.97x = 14,789,292,334.36
  5. Step 5: Solve for x
    x = 14,789,292,334.36/140,132.97
  6. Step 6: Final answer
    x = 105,537.56

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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.