Home / 140,743.17-194,225.58-77,080.95

Finding the Fourth Proportional to 140,743.17, 194,225.58 and 77,080.95

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Solution

The fourth proportional to 140,743.17, 194,225.58 and 77,080.95 is: 106,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,743.17 : 194,225.58 = 77,080.95 : x
  2. Step 2: Convert to fraction form
    140,743.17/194,225.58 = 77,080.95/x
  3. Step 3: Cross multiply
    140,743.17x = 194,225.58 × 77,080.95
  4. Step 4: Simplify right side
    140,743.17x = 14,971,092,220.70
  5. Step 5: Solve for x
    x = 14,971,092,220.70/140,743.17
  6. Step 6: Final answer
    x = 106,371.71

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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.