Home / 187,470.94-281,272.02-54,359.18

Finding the Fourth Proportional to 187,470.94, 281,272.02 and 54,359.18

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Solution

The fourth proportional to 187,470.94, 281,272.02 and 54,359.18 is: 81,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470.94 : 281,272.02 = 54,359.18 : x
  2. Step 2: Convert to fraction form
    187,470.94/281,272.02 = 54,359.18/x
  3. Step 3: Cross multiply
    187,470.94x = 281,272.02 × 54,359.18
  4. Step 4: Simplify right side
    187,470.94x = 15,289,716,364.14
  5. Step 5: Solve for x
    x = 15,289,716,364.14/187,470.94
  6. Step 6: Final answer
    x = 81,557.80

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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.