Home / 140,691.79-194,146.98-77,017.27

Finding the Fourth Proportional to 140,691.79, 194,146.98 and 77,017.27

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Solution

The fourth proportional to 140,691.79, 194,146.98 and 77,017.27 is: 106,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,691.79 : 194,146.98 = 77,017.27 : x
  2. Step 2: Convert to fraction form
    140,691.79/194,146.98 = 77,017.27/x
  3. Step 3: Cross multiply
    140,691.79x = 194,146.98 × 77,017.27
  4. Step 4: Simplify right side
    140,691.79x = 14,952,670,378.34
  5. Step 5: Solve for x
    x = 14,952,670,378.34/140,691.79
  6. Step 6: Final answer
    x = 106,279.62

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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.