Home / 129,964.92-194,947.02-106,345.32

Finding the Fourth Proportional to 129,964.92, 194,947.02 and 106,345.32

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Solution

The fourth proportional to 129,964.92, 194,947.02 and 106,345.32 is: 159,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,964.92 : 194,947.02 = 106,345.32 : x
  2. Step 2: Convert to fraction form
    129,964.92/194,947.02 = 106,345.32/x
  3. Step 3: Cross multiply
    129,964.92x = 194,947.02 × 106,345.32
  4. Step 4: Simplify right side
    129,964.92x = 20,731,703,224.95
  5. Step 5: Solve for x
    x = 20,731,703,224.95/129,964.92
  6. Step 6: Final answer
    x = 159,517.69

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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.