Home / 268,172.27-402,253.13-108,243.96

Finding the Fourth Proportional to 268,172.27, 402,253.13 and 108,243.96

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Solution

The fourth proportional to 268,172.27, 402,253.13 and 108,243.96 is: 162,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,172.27 : 402,253.13 = 108,243.96 : x
  2. Step 2: Convert to fraction form
    268,172.27/402,253.13 = 108,243.96/x
  3. Step 3: Cross multiply
    268,172.27x = 402,253.13 × 108,243.96
  4. Step 4: Simplify right side
    268,172.27x = 43,541,471,984.20
  5. Step 5: Solve for x
    x = 43,541,471,984.20/268,172.27
  6. Step 6: Final answer
    x = 162,363.81

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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.