Home / 187,179.20-280,816.56-54,069.68

Finding the Fourth Proportional to 187,179.20, 280,816.56 and 54,069.68

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Solution

The fourth proportional to 187,179.20, 280,816.56 and 54,069.68 is: 81,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,179.20 : 280,816.56 = 54,069.68 : x
  2. Step 2: Convert to fraction form
    187,179.20/280,816.56 = 54,069.68/x
  3. Step 3: Cross multiply
    187,179.20x = 280,816.56 × 54,069.68
  4. Step 4: Simplify right side
    187,179.20x = 15,183,661,537.90
  5. Step 5: Solve for x
    x = 15,183,661,537.90/187,179.20
  6. Step 6: Final answer
    x = 81,118.32

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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.