Home / 181,389.40-250,387.13-120,937.95

Finding the Fourth Proportional to 181,389.40, 250,387.13 and 120,937.95

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Solution

The fourth proportional to 181,389.40, 250,387.13 and 120,937.95 is: 166,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,389.40 : 250,387.13 = 120,937.95 : x
  2. Step 2: Convert to fraction form
    181,389.40/250,387.13 = 120,937.95/x
  3. Step 3: Cross multiply
    181,389.40x = 250,387.13 × 120,937.95
  4. Step 4: Simplify right side
    181,389.40x = 30,281,306,510.93
  5. Step 5: Solve for x
    x = 30,281,306,510.93/181,389.40
  6. Step 6: Final answer
    x = 166,940.88

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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.