Home / 149,747.03-206,869.51-129,568.88

Finding the Fourth Proportional to 149,747.03, 206,869.51 and 129,568.88

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Solution

The fourth proportional to 149,747.03, 206,869.51 and 129,568.88 is: 178,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,747.03 : 206,869.51 = 129,568.88 : x
  2. Step 2: Convert to fraction form
    149,747.03/206,869.51 = 129,568.88/x
  3. Step 3: Cross multiply
    149,747.03x = 206,869.51 × 129,568.88
  4. Step 4: Simplify right side
    149,747.03x = 26,803,850,716.85
  5. Step 5: Solve for x
    x = 26,803,850,716.85/149,747.03
  6. Step 6: Final answer
    x = 178,994.21

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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.