Home / 140,625.13-194,024.25-80,173.72

Finding the Fourth Proportional to 140,625.13, 194,024.25 and 80,173.72

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Solution

The fourth proportional to 140,625.13, 194,024.25 and 80,173.72 is: 110,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,625.13 : 194,024.25 = 80,173.72 : x
  2. Step 2: Convert to fraction form
    140,625.13/194,024.25 = 80,173.72/x
  3. Step 3: Cross multiply
    140,625.13x = 194,024.25 × 80,173.72
  4. Step 4: Simplify right side
    140,625.13x = 15,555,645,892.71
  5. Step 5: Solve for x
    x = 15,555,645,892.71/140,625.13
  6. Step 6: Final answer
    x = 110,617.82

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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.