Home / 239,121.68-329,983.89-131,701.71

Finding the Fourth Proportional to 239,121.68, 329,983.89 and 131,701.71

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Solution

The fourth proportional to 239,121.68, 329,983.89 and 131,701.71 is: 181,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,121.68 : 329,983.89 = 131,701.71 : x
  2. Step 2: Convert to fraction form
    239,121.68/329,983.89 = 131,701.71/x
  3. Step 3: Cross multiply
    239,121.68x = 329,983.89 × 131,701.71
  4. Step 4: Simplify right side
    239,121.68x = 43,459,442,585.45
  5. Step 5: Solve for x
    x = 43,459,442,585.45/239,121.68
  6. Step 6: Final answer
    x = 181,746.14

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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.