Home / 181,279.28-271,925.76-68,938.56

Finding the Fourth Proportional to 181,279.28, 271,925.76 and 68,938.56

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Solution

The fourth proportional to 181,279.28, 271,925.76 and 68,938.56 is: 103,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,279.28 : 271,925.76 = 68,938.56 : x
  2. Step 2: Convert to fraction form
    181,279.28/271,925.76 = 68,938.56/x
  3. Step 3: Cross multiply
    181,279.28x = 271,925.76 × 68,938.56
  4. Step 4: Simplify right side
    181,279.28x = 18,746,170,321.31
  5. Step 5: Solve for x
    x = 18,746,170,321.31/181,279.28
  6. Step 6: Final answer
    x = 103,410.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.