Home / 204,359.60-306,541.13-71,239.61

Finding the Fourth Proportional to 204,359.60, 306,541.13 and 71,239.61

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Solution

The fourth proportional to 204,359.60, 306,541.13 and 71,239.61 is: 106,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,359.60 : 306,541.13 = 71,239.61 : x
  2. Step 2: Convert to fraction form
    204,359.60/306,541.13 = 71,239.61/x
  3. Step 3: Cross multiply
    204,359.60x = 306,541.13 × 71,239.61
  4. Step 4: Simplify right side
    204,359.60x = 21,837,870,960.31
  5. Step 5: Solve for x
    x = 21,837,870,960.31/204,359.60
  6. Step 6: Final answer
    x = 106,860.02

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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.