Home / 181,387.15-250,384.03-120,935.70

Finding the Fourth Proportional to 181,387.15, 250,384.03 and 120,935.70

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Solution

The fourth proportional to 181,387.15, 250,384.03 and 120,935.70 is: 166,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,387.15 : 250,384.03 = 120,935.70 : x
  2. Step 2: Convert to fraction form
    181,387.15/250,384.03 = 120,935.70/x
  3. Step 3: Cross multiply
    181,387.15x = 250,384.03 × 120,935.70
  4. Step 4: Simplify right side
    181,387.15x = 30,280,367,634.53
  5. Step 5: Solve for x
    x = 30,280,367,634.53/181,387.15
  6. Step 6: Final answer
    x = 166,937.78

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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.