Home / 120,724.26-166,591.40-73,003.92

Finding the Fourth Proportional to 120,724.26, 166,591.40 and 73,003.92

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Solution

The fourth proportional to 120,724.26, 166,591.40 and 73,003.92 is: 100,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724.26 : 166,591.40 = 73,003.92 : x
  2. Step 2: Convert to fraction form
    120,724.26/166,591.40 = 73,003.92/x
  3. Step 3: Cross multiply
    120,724.26x = 166,591.40 × 73,003.92
  4. Step 4: Simplify right side
    120,724.26x = 12,161,825,238.29
  5. Step 5: Solve for x
    x = 12,161,825,238.29/120,724.26
  6. Step 6: Final answer
    x = 100,740.52

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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.