Home / 176,132.75-243,063.20-100,682.87

Finding the Fourth Proportional to 176,132.75, 243,063.20 and 100,682.87

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Solution

The fourth proportional to 176,132.75, 243,063.20 and 100,682.87 is: 138,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,132.75 : 243,063.20 = 100,682.87 : x
  2. Step 2: Convert to fraction form
    176,132.75/243,063.20 = 100,682.87/x
  3. Step 3: Cross multiply
    176,132.75x = 243,063.20 × 100,682.87
  4. Step 4: Simplify right side
    176,132.75x = 24,472,300,063.97
  5. Step 5: Solve for x
    x = 24,472,300,063.97/176,132.75
  6. Step 6: Final answer
    x = 138,942.36

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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.