Home / 209,266.56-288,781.92-113,771.04

Finding the Fourth Proportional to 209,266.56, 288,781.92 and 113,771.04

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Solution

The fourth proportional to 209,266.56, 288,781.92 and 113,771.04 is: 157,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,266.56 : 288,781.92 = 113,771.04 : x
  2. Step 2: Convert to fraction form
    209,266.56/288,781.92 = 113,771.04/x
  3. Step 3: Cross multiply
    209,266.56x = 288,781.92 × 113,771.04
  4. Step 4: Simplify right side
    209,266.56x = 32,855,019,371.60
  5. Step 5: Solve for x
    x = 32,855,019,371.60/209,266.56
  6. Step 6: Final answer
    x = 157,000.81

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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.