Home / 140,700.18-194,177.25-80,256.90

Finding the Fourth Proportional to 140,700.18, 194,177.25 and 80,256.90

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Solution

The fourth proportional to 140,700.18, 194,177.25 and 80,256.90 is: 110,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,700.18 : 194,177.25 = 80,256.90 : x
  2. Step 2: Convert to fraction form
    140,700.18/194,177.25 = 80,256.90/x
  3. Step 3: Cross multiply
    140,700.18x = 194,177.25 × 80,256.90
  4. Step 4: Simplify right side
    140,700.18x = 15,584,064,135.53
  5. Step 5: Solve for x
    x = 15,584,064,135.53/140,700.18
  6. Step 6: Final answer
    x = 110,760.80

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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.