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Finding the Fourth Proportional to 148,360.78, 204,737.93 and 80,378.22

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Solution

The fourth proportional to 148,360.78, 204,737.93 and 80,378.22 is: 110,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,360.78 : 204,737.93 = 80,378.22 : x
  2. Step 2: Convert to fraction form
    148,360.78/204,737.93 = 80,378.22/x
  3. Step 3: Cross multiply
    148,360.78x = 204,737.93 × 80,378.22
  4. Step 4: Simplify right side
    148,360.78x = 16,456,470,379.88
  5. Step 5: Solve for x
    x = 16,456,470,379.88/148,360.78
  6. Step 6: Final answer
    x = 110,921.97

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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.