Home / 187,939.19-281,904.02-54,820.60

Finding the Fourth Proportional to 187,939.19, 281,904.02 and 54,820.60

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Solution

The fourth proportional to 187,939.19, 281,904.02 and 54,820.60 is: 82,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,939.19 : 281,904.02 = 54,820.60 : x
  2. Step 2: Convert to fraction form
    187,939.19/281,904.02 = 54,820.60/x
  3. Step 3: Cross multiply
    187,939.19x = 281,904.02 × 54,820.60
  4. Step 4: Simplify right side
    187,939.19x = 15,454,146,899.71
  5. Step 5: Solve for x
    x = 15,454,146,899.71/187,939.19
  6. Step 6: Final answer
    x = 82,229.51

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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.