Home / 141,372.38-195,094.28-80,943.95

Finding the Fourth Proportional to 141,372.38, 195,094.28 and 80,943.95

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Solution

The fourth proportional to 141,372.38, 195,094.28 and 80,943.95 is: 111,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,372.38 : 195,094.28 = 80,943.95 : x
  2. Step 2: Convert to fraction form
    141,372.38/195,094.28 = 80,943.95/x
  3. Step 3: Cross multiply
    141,372.38x = 195,094.28 × 80,943.95
  4. Step 4: Simplify right side
    141,372.38x = 15,791,700,872.49
  5. Step 5: Solve for x
    x = 15,791,700,872.49/141,372.38
  6. Step 6: Final answer
    x = 111,702.88

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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.