Home / 275,948.47-413,842.74-107,431.23

Finding the Fourth Proportional to 275,948.47, 413,842.74 and 107,431.23

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Solution

The fourth proportional to 275,948.47, 413,842.74 and 107,431.23 is: 161,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,948.47 : 413,842.74 = 107,431.23 : x
  2. Step 2: Convert to fraction form
    275,948.47/413,842.74 = 107,431.23/x
  3. Step 3: Cross multiply
    275,948.47x = 413,842.74 × 107,431.23
  4. Step 4: Simplify right side
    275,948.47x = 44,459,633,405.95
  5. Step 5: Solve for x
    x = 44,459,633,405.95/275,948.47
  6. Step 6: Final answer
    x = 161,115.71

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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.