Home / 199,947.07-299,920.56-80,057.98

Finding the Fourth Proportional to 199,947.07, 299,920.56 and 80,057.98

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Solution

The fourth proportional to 199,947.07, 299,920.56 and 80,057.98 is: 120,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,947.07 : 299,920.56 = 80,057.98 : x
  2. Step 2: Convert to fraction form
    199,947.07/299,920.56 = 80,057.98/x
  3. Step 3: Cross multiply
    199,947.07x = 299,920.56 × 80,057.98
  4. Step 4: Simplify right side
    199,947.07x = 24,011,034,194.07
  5. Step 5: Solve for x
    x = 24,011,034,194.07/199,947.07
  6. Step 6: Final answer
    x = 120,086.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.