Home / 187,425.50-281,138.52-76,617.50

Finding the Fourth Proportional to 187,425.50, 281,138.52 and 76,617.50

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Solution

The fourth proportional to 187,425.50, 281,138.52 and 76,617.50 is: 114,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,425.50 : 281,138.52 = 76,617.50 : x
  2. Step 2: Convert to fraction form
    187,425.50/281,138.52 = 76,617.50/x
  3. Step 3: Cross multiply
    187,425.50x = 281,138.52 × 76,617.50
  4. Step 4: Simplify right side
    187,425.50x = 21,540,130,556.10
  5. Step 5: Solve for x
    x = 21,540,130,556.10/187,425.50
  6. Step 6: Final answer
    x = 114,926.36

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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.