Home / 187,921.77-281,852.66-54,770.88

Finding the Fourth Proportional to 187,921.77, 281,852.66 and 54,770.88

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Solution

The fourth proportional to 187,921.77, 281,852.66 and 54,770.88 is: 82,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,921.77 : 281,852.66 = 54,770.88 : x
  2. Step 2: Convert to fraction form
    187,921.77/281,852.66 = 54,770.88/x
  3. Step 3: Cross multiply
    187,921.77x = 281,852.66 × 54,770.88
  4. Step 4: Simplify right side
    187,921.77x = 15,437,319,412.42
  5. Step 5: Solve for x
    x = 15,437,319,412.42/187,921.77
  6. Step 6: Final answer
    x = 82,147.58

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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.