Home / 149,788.33-206,680.48-85,253.74

Finding the Fourth Proportional to 149,788.33, 206,680.48 and 85,253.74

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Solution

The fourth proportional to 149,788.33, 206,680.48 and 85,253.74 is: 117,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,788.33 : 206,680.48 = 85,253.74 : x
  2. Step 2: Convert to fraction form
    149,788.33/206,680.48 = 85,253.74/x
  3. Step 3: Cross multiply
    149,788.33x = 206,680.48 × 85,253.74
  4. Step 4: Simplify right side
    149,788.33x = 17,620,283,175.16
  5. Step 5: Solve for x
    x = 17,620,283,175.16/149,788.33
  6. Step 6: Final answer
    x = 117,634.55

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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.