Home / 147,320.20-220,850.70-88,179.40

Finding the Fourth Proportional to 147,320.20, 220,850.70 and 88,179.40

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Solution

The fourth proportional to 147,320.20, 220,850.70 and 88,179.40 is: 132,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,320.20 : 220,850.70 = 88,179.40 : x
  2. Step 2: Convert to fraction form
    147,320.20/220,850.70 = 88,179.40/x
  3. Step 3: Cross multiply
    147,320.20x = 220,850.70 × 88,179.40
  4. Step 4: Simplify right side
    147,320.20x = 19,474,482,215.58
  5. Step 5: Solve for x
    x = 19,474,482,215.58/147,320.20
  6. Step 6: Final answer
    x = 132,191.53

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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.