Home / 187,980.18-281,965.57-54,861.59

Finding the Fourth Proportional to 187,980.18, 281,965.57 and 54,861.59

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Solution

The fourth proportional to 187,980.18, 281,965.57 and 54,861.59 is: 82,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,980.18 : 281,965.57 = 54,861.59 : x
  2. Step 2: Convert to fraction form
    187,980.18/281,965.57 = 54,861.59/x
  3. Step 3: Cross multiply
    187,980.18x = 281,965.57 × 54,861.59
  4. Step 4: Simplify right side
    187,980.18x = 15,469,079,495.46
  5. Step 5: Solve for x
    x = 15,469,079,495.46/187,980.18
  6. Step 6: Final answer
    x = 82,291.01

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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.