Home / 148,680.20-205,179.29-80,697.27

Finding the Fourth Proportional to 148,680.20, 205,179.29 and 80,697.27

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Solution

The fourth proportional to 148,680.20, 205,179.29 and 80,697.27 is: 111,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,680.20 : 205,179.29 = 80,697.27 : x
  2. Step 2: Convert to fraction form
    148,680.20/205,179.29 = 80,697.27/x
  3. Step 3: Cross multiply
    148,680.20x = 205,179.29 × 80,697.27
  4. Step 4: Simplify right side
    148,680.20x = 16,557,408,077.96
  5. Step 5: Solve for x
    x = 16,557,408,077.96/148,680.20
  6. Step 6: Final answer
    x = 111,362.56

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1.5x scale

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.