Home / 148,811.97-205,358.33-80,829.83

Finding the Fourth Proportional to 148,811.97, 205,358.33 and 80,829.83

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Solution

The fourth proportional to 148,811.97, 205,358.33 and 80,829.83 is: 111,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,811.97 : 205,358.33 = 80,829.83 : x
  2. Step 2: Convert to fraction form
    148,811.97/205,358.33 = 80,829.83/x
  3. Step 3: Cross multiply
    148,811.97x = 205,358.33 × 80,829.83
  4. Step 4: Simplify right side
    148,811.97x = 16,599,077,472.04
  5. Step 5: Solve for x
    x = 16,599,077,472.04/148,811.97
  6. Step 6: Final answer
    x = 111,543.97

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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.