Home / 181,155.23-271,708.20-68,863.71

Finding the Fourth Proportional to 181,155.23, 271,708.20 and 68,863.71

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Solution

The fourth proportional to 181,155.23, 271,708.20 and 68,863.71 is: 103,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,155.23 : 271,708.20 = 68,863.71 : x
  2. Step 2: Convert to fraction form
    181,155.23/271,708.20 = 68,863.71/x
  3. Step 3: Cross multiply
    181,155.23x = 271,708.20 × 68,863.71
  4. Step 4: Simplify right side
    181,155.23x = 18,710,834,689.42
  5. Step 5: Solve for x
    x = 18,710,834,689.42/181,155.23
  6. Step 6: Final answer
    x = 103,286.20

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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.