Home / 131,884.20-182,082.74-101,612.07

Finding the Fourth Proportional to 131,884.20, 182,082.74 and 101,612.07

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Solution

The fourth proportional to 131,884.20, 182,082.74 and 101,612.07 is: 140,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,884.20 : 182,082.74 = 101,612.07 : x
  2. Step 2: Convert to fraction form
    131,884.20/182,082.74 = 101,612.07/x
  3. Step 3: Cross multiply
    131,884.20x = 182,082.74 × 101,612.07
  4. Step 4: Simplify right side
    131,884.20x = 18,501,803,614.61
  5. Step 5: Solve for x
    x = 18,501,803,614.61/131,884.20
  6. Step 6: Final answer
    x = 140,288.25

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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.