Home / 140,132.98-193,387.59-76,474.86

Finding the Fourth Proportional to 140,132.98, 193,387.59 and 76,474.86

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Solution

The fourth proportional to 140,132.98, 193,387.59 and 76,474.86 is: 105,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,132.98 : 193,387.59 = 76,474.86 : x
  2. Step 2: Convert to fraction form
    140,132.98/193,387.59 = 76,474.86/x
  3. Step 3: Cross multiply
    140,132.98x = 193,387.59 × 76,474.86
  4. Step 4: Simplify right side
    140,132.98x = 14,789,288,870.99
  5. Step 5: Solve for x
    x = 14,789,288,870.99/140,132.98
  6. Step 6: Final answer
    x = 105,537.53

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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.