Home / 199,318.20-274,990.06-127,737.64

Finding the Fourth Proportional to 199,318.20, 274,990.06 and 127,737.64

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Solution

The fourth proportional to 199,318.20, 274,990.06 and 127,737.64 is: 176,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,318.20 : 274,990.06 = 127,737.64 : x
  2. Step 2: Convert to fraction form
    199,318.20/274,990.06 = 127,737.64/x
  3. Step 3: Cross multiply
    199,318.20x = 274,990.06 × 127,737.64
  4. Step 4: Simplify right side
    199,318.20x = 35,126,581,287.86
  5. Step 5: Solve for x
    x = 35,126,581,287.86/199,318.20
  6. Step 6: Final answer
    x = 176,233.69

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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.