Home / 187,956.34-281,945.90-75,636.12

Finding the Fourth Proportional to 187,956.34, 281,945.90 and 75,636.12

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Solution

The fourth proportional to 187,956.34, 281,945.90 and 75,636.12 is: 113,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,956.34 : 281,945.90 = 75,636.12 : x
  2. Step 2: Convert to fraction form
    187,956.34/281,945.90 = 75,636.12/x
  3. Step 3: Cross multiply
    187,956.34x = 281,945.90 × 75,636.12
  4. Step 4: Simplify right side
    187,956.34x = 21,325,293,925.91
  5. Step 5: Solve for x
    x = 21,325,293,925.91/187,956.34
  6. Step 6: Final answer
    x = 113,458.76

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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.