Home / 54,134.20-81,186.90-16,694.20

Finding the Fourth Proportional to 54,134.20, 81,186.90 and 16,694.20

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Solution

The fourth proportional to 54,134.20, 81,186.90 and 16,694.20 is: 25,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,134.20 : 81,186.90 = 16,694.20 : x
  2. Step 2: Convert to fraction form
    54,134.20/81,186.90 = 16,694.20/x
  3. Step 3: Cross multiply
    54,134.20x = 81,186.90 × 16,694.20
  4. Step 4: Simplify right side
    54,134.20x = 1,355,350,345.98
  5. Step 5: Solve for x
    x = 1,355,350,345.98/54,134.20
  6. Step 6: Final answer
    x = 25,036.86

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1.5x scale

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.