Home / 187,836.78-281,801.25-54,718.26

Finding the Fourth Proportional to 187,836.78, 281,801.25 and 54,718.26

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Solution

The fourth proportional to 187,836.78, 281,801.25 and 54,718.26 is: 82,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,836.78 : 281,801.25 = 54,718.26 : x
  2. Step 2: Convert to fraction form
    187,836.78/281,801.25 = 54,718.26/x
  3. Step 3: Cross multiply
    187,836.78x = 281,801.25 × 54,718.26
  4. Step 4: Simplify right side
    187,836.78x = 15,419,674,065.83
  5. Step 5: Solve for x
    x = 15,419,674,065.83/187,836.78
  6. Step 6: Final answer
    x = 82,090.81

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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.