Home / 119,251.45-178,766-40,310.47

Finding the Fourth Proportional to 119,251.45, 178,766 and 40,310.47

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Solution

The fourth proportional to 119,251.45, 178,766 and 40,310.47 is: 60,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,251.45 : 178,766 = 40,310.47 : x
  2. Step 2: Convert to fraction form
    119,251.45/178,766 = 40,310.47/x
  3. Step 3: Cross multiply
    119,251.45x = 178,766 × 40,310.47
  4. Step 4: Simplify right side
    119,251.45x = 7,206,141,480.02
  5. Step 5: Solve for x
    x = 7,206,141,480.02/119,251.45
  6. Step 6: Final answer
    x = 60,428.12

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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.