Home / 148,360.28-204,737.24-80,377.72

Finding the Fourth Proportional to 148,360.28, 204,737.24 and 80,377.72

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Solution

The fourth proportional to 148,360.28, 204,737.24 and 80,377.72 is: 110,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,360.28 : 204,737.24 = 80,377.72 : x
  2. Step 2: Convert to fraction form
    148,360.28/204,737.24 = 80,377.72/x
  3. Step 3: Cross multiply
    148,360.28x = 204,737.24 × 80,377.72
  4. Step 4: Simplify right side
    148,360.28x = 16,456,312,148.40
  5. Step 5: Solve for x
    x = 16,456,312,148.40/148,360.28
  6. Step 6: Final answer
    x = 110,921.28

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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.