Home / 119,170.38-178,755.41-30,423.90

Finding the Fourth Proportional to 119,170.38, 178,755.41 and 30,423.90

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Solution

The fourth proportional to 119,170.38, 178,755.41 and 30,423.90 is: 45,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,170.38 : 178,755.41 = 30,423.90 : x
  2. Step 2: Convert to fraction form
    119,170.38/178,755.41 = 30,423.90/x
  3. Step 3: Cross multiply
    119,170.38x = 178,755.41 × 30,423.90
  4. Step 4: Simplify right side
    119,170.38x = 5,438,436,566.18
  5. Step 5: Solve for x
    x = 5,438,436,566.18/119,170.38
  6. Step 6: Final answer
    x = 45,635.81

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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.