Home / 187,824.69-281,780.78-61,471.17

Finding the Fourth Proportional to 187,824.69, 281,780.78 and 61,471.17

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Solution

The fourth proportional to 187,824.69, 281,780.78 and 61,471.17 is: 92,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,824.69 : 281,780.78 = 61,471.17 : x
  2. Step 2: Convert to fraction form
    187,824.69/281,780.78 = 61,471.17/x
  3. Step 3: Cross multiply
    187,824.69x = 281,780.78 × 61,471.17
  4. Step 4: Simplify right side
    187,824.69x = 17,321,393,922.76
  5. Step 5: Solve for x
    x = 17,321,393,922.76/187,824.69
  6. Step 6: Final answer
    x = 92,221.07

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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.