Home / 209,046.11-288,489.87-113,559.26

Finding the Fourth Proportional to 209,046.11, 288,489.87 and 113,559.26

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Solution

The fourth proportional to 209,046.11, 288,489.87 and 113,559.26 is: 156,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,046.11 : 288,489.87 = 113,559.26 : x
  2. Step 2: Convert to fraction form
    209,046.11/288,489.87 = 113,559.26/x
  3. Step 3: Cross multiply
    209,046.11x = 288,489.87 × 113,559.26
  4. Step 4: Simplify right side
    209,046.11x = 32,760,694,712.25
  5. Step 5: Solve for x
    x = 32,760,694,712.25/209,046.11
  6. Step 6: Final answer
    x = 156,715.16

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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.