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Finding the Fourth Proportional to 126,034.52, 173,925.58 and 68,674.52

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Solution

The fourth proportional to 126,034.52, 173,925.58 and 68,674.52 is: 94,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,034.52 : 173,925.58 = 68,674.52 : x
  2. Step 2: Convert to fraction form
    126,034.52/173,925.58 = 68,674.52/x
  3. Step 3: Cross multiply
    126,034.52x = 173,925.58 × 68,674.52
  4. Step 4: Simplify right side
    126,034.52x = 11,944,255,869.53
  5. Step 5: Solve for x
    x = 11,944,255,869.53/126,034.52
  6. Step 6: Final answer
    x = 94,769.72

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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.