Home / 140,701.82-194,167.61-76,170.58

Finding the Fourth Proportional to 140,701.82, 194,167.61 and 76,170.58

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Solution

The fourth proportional to 140,701.82, 194,167.61 and 76,170.58 is: 105,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,701.82 : 194,167.61 = 76,170.58 : x
  2. Step 2: Convert to fraction form
    140,701.82/194,167.61 = 76,170.58/x
  3. Step 3: Cross multiply
    140,701.82x = 194,167.61 × 76,170.58
  4. Step 4: Simplify right side
    140,701.82x = 14,789,859,397.17
  5. Step 5: Solve for x
    x = 14,789,859,397.17/140,701.82
  6. Step 6: Final answer
    x = 105,114.92

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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.