Home / 165,728.60-248,204.10-112,851.80

Finding the Fourth Proportional to 165,728.60, 248,204.10 and 112,851.80

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Solution

The fourth proportional to 165,728.60, 248,204.10 and 112,851.80 is: 169,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,728.60 : 248,204.10 = 112,851.80 : x
  2. Step 2: Convert to fraction form
    165,728.60/248,204.10 = 112,851.80/x
  3. Step 3: Cross multiply
    165,728.60x = 248,204.10 × 112,851.80
  4. Step 4: Simplify right side
    165,728.60x = 28,010,279,452.38
  5. Step 5: Solve for x
    x = 28,010,279,452.38/165,728.60
  6. Step 6: Final answer
    x = 169,012.95

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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.