Home / 206,515.29-309,805.35-88,187.25

Finding the Fourth Proportional to 206,515.29, 309,805.35 and 88,187.25

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Solution

The fourth proportional to 206,515.29, 309,805.35 and 88,187.25 is: 132,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,515.29 : 309,805.35 = 88,187.25 : x
  2. Step 2: Convert to fraction form
    206,515.29/309,805.35 = 88,187.25/x
  3. Step 3: Cross multiply
    206,515.29x = 309,805.35 × 88,187.25
  4. Step 4: Simplify right side
    206,515.29x = 27,320,881,851.79
  5. Step 5: Solve for x
    x = 27,320,881,851.79/206,515.29
  6. Step 6: Final answer
    x = 132,294.72

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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.