Home / 126,226.32-189,061.30-104,339.31

Finding the Fourth Proportional to 126,226.32, 189,061.30 and 104,339.31

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Solution

The fourth proportional to 126,226.32, 189,061.30 and 104,339.31 is: 156,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,226.32 : 189,061.30 = 104,339.31 : x
  2. Step 2: Convert to fraction form
    126,226.32/189,061.30 = 104,339.31/x
  3. Step 3: Cross multiply
    126,226.32x = 189,061.30 × 104,339.31
  4. Step 4: Simplify right side
    126,226.32x = 19,726,525,589.70
  5. Step 5: Solve for x
    x = 19,726,525,589.70/126,226.32
  6. Step 6: Final answer
    x = 156,279.02

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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.