Home / 187,711.46-281,508.30-61,322.90

Finding the Fourth Proportional to 187,711.46, 281,508.30 and 61,322.90

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Solution

The fourth proportional to 187,711.46, 281,508.30 and 61,322.90 is: 91,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,711.46 : 281,508.30 = 61,322.90 : x
  2. Step 2: Convert to fraction form
    187,711.46/281,508.30 = 61,322.90/x
  3. Step 3: Cross multiply
    187,711.46x = 281,508.30 × 61,322.90
  4. Step 4: Simplify right side
    187,711.46x = 17,262,905,330.07
  5. Step 5: Solve for x
    x = 17,262,905,330.07/187,711.46
  6. Step 6: Final answer
    x = 91,965.11

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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.