Home / 140,132.98-193,387.62-76,474.87

Finding the Fourth Proportional to 140,132.98, 193,387.62 and 76,474.87

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Solution

The fourth proportional to 140,132.98, 193,387.62 and 76,474.87 is: 105,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,132.98 : 193,387.62 = 76,474.87 : x
  2. Step 2: Convert to fraction form
    140,132.98/193,387.62 = 76,474.87/x
  3. Step 3: Cross multiply
    140,132.98x = 193,387.62 × 76,474.87
  4. Step 4: Simplify right side
    140,132.98x = 14,789,293,099.11
  5. Step 5: Solve for x
    x = 14,789,293,099.11/140,132.98
  6. Step 6: Final answer
    x = 105,537.56

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1.5x scale

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.