Home / 78,382.22-108,165.92-44,390.16

Finding the Fourth Proportional to 78,382.22, 108,165.92 and 44,390.16

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Solution

The fourth proportional to 78,382.22, 108,165.92 and 44,390.16 is: 61,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,382.22 : 108,165.92 = 44,390.16 : x
  2. Step 2: Convert to fraction form
    78,382.22/108,165.92 = 44,390.16/x
  3. Step 3: Cross multiply
    78,382.22x = 108,165.92 × 44,390.16
  4. Step 4: Simplify right side
    78,382.22x = 4,801,502,273.40
  5. Step 5: Solve for x
    x = 4,801,502,273.40/78,382.22
  6. Step 6: Final answer
    x = 61,257.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.