Home / 126,387.95-174,494.25-80,473.50

Finding the Fourth Proportional to 126,387.95, 174,494.25 and 80,473.50

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Solution

The fourth proportional to 126,387.95, 174,494.25 and 80,473.50 is: 111,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,387.95 : 174,494.25 = 80,473.50 : x
  2. Step 2: Convert to fraction form
    126,387.95/174,494.25 = 80,473.50/x
  3. Step 3: Cross multiply
    126,387.95x = 174,494.25 × 80,473.50
  4. Step 4: Simplify right side
    126,387.95x = 14,042,163,027.38
  5. Step 5: Solve for x
    x = 14,042,163,027.38/126,387.95
  6. Step 6: Final answer
    x = 111,103.66

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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.