Home / 136,877.58-204,947.28-89,375.04

Finding the Fourth Proportional to 136,877.58, 204,947.28 and 89,375.04

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Solution

The fourth proportional to 136,877.58, 204,947.28 and 89,375.04 is: 133,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,877.58 : 204,947.28 = 89,375.04 : x
  2. Step 2: Convert to fraction form
    136,877.58/204,947.28 = 89,375.04/x
  3. Step 3: Cross multiply
    136,877.58x = 204,947.28 × 89,375.04
  4. Step 4: Simplify right side
    136,877.58x = 18,317,171,347.89
  5. Step 5: Solve for x
    x = 18,317,171,347.89/136,877.58
  6. Step 6: Final answer
    x = 133,821.56

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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.