Home / 126,910.59-175,155-73,184.91

Finding the Fourth Proportional to 126,910.59, 175,155 and 73,184.91

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Solution

The fourth proportional to 126,910.59, 175,155 and 73,184.91 is: 101,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910.59 : 175,155 = 73,184.91 : x
  2. Step 2: Convert to fraction form
    126,910.59/175,155 = 73,184.91/x
  3. Step 3: Cross multiply
    126,910.59x = 175,155 × 73,184.91
  4. Step 4: Simplify right side
    126,910.59x = 12,818,702,911.05
  5. Step 5: Solve for x
    x = 12,818,702,911.05/126,910.59
  6. Step 6: Final answer
    x = 101,005.78

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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.