Home / 187,278.53-280,959.79-54,169.13

Finding the Fourth Proportional to 187,278.53, 280,959.79 and 54,169.13

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Solution

The fourth proportional to 187,278.53, 280,959.79 and 54,169.13 is: 81,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,278.53 : 280,959.79 = 54,169.13 : x
  2. Step 2: Convert to fraction form
    187,278.53/280,959.79 = 54,169.13/x
  3. Step 3: Cross multiply
    187,278.53x = 280,959.79 × 54,169.13
  4. Step 4: Simplify right side
    187,278.53x = 15,219,347,267.63
  5. Step 5: Solve for x
    x = 15,219,347,267.63/187,278.53
  6. Step 6: Final answer
    x = 81,265.84

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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.