Home / 187,604.28-281,340-69,243.84

Finding the Fourth Proportional to 187,604.28, 281,340 and 69,243.84

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Solution

The fourth proportional to 187,604.28, 281,340 and 69,243.84 is: 103,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,604.28 : 281,340 = 69,243.84 : x
  2. Step 2: Convert to fraction form
    187,604.28/281,340 = 69,243.84/x
  3. Step 3: Cross multiply
    187,604.28x = 281,340 × 69,243.84
  4. Step 4: Simplify right side
    187,604.28x = 19,481,061,945.60
  5. Step 5: Solve for x
    x = 19,481,061,945.60/187,604.28
  6. Step 6: Final answer
    x = 103,841.24

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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.