Home / 268,836.60-403,082.10-111,127.80

Finding the Fourth Proportional to 268,836.60, 403,082.10 and 111,127.80

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Solution

The fourth proportional to 268,836.60, 403,082.10 and 111,127.80 is: 166,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,836.60 : 403,082.10 = 111,127.80 : x
  2. Step 2: Convert to fraction form
    268,836.60/403,082.10 = 111,127.80/x
  3. Step 3: Cross multiply
    268,836.60x = 403,082.10 × 111,127.80
  4. Step 4: Simplify right side
    268,836.60x = 44,793,626,992.38
  5. Step 5: Solve for x
    x = 44,793,626,992.38/268,836.60
  6. Step 6: Final answer
    x = 166,620.27

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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.