Home / 148,879.26-205,454.20-80,896.76

Finding the Fourth Proportional to 148,879.26, 205,454.20 and 80,896.76

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Solution

The fourth proportional to 148,879.26, 205,454.20 and 80,896.76 is: 111,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,879.26 : 205,454.20 = 80,896.76 : x
  2. Step 2: Convert to fraction form
    148,879.26/205,454.20 = 80,896.76/x
  3. Step 3: Cross multiply
    148,879.26x = 205,454.20 × 80,896.76
  4. Step 4: Simplify right side
    148,879.26x = 16,620,579,108.39
  5. Step 5: Solve for x
    x = 16,620,579,108.39/148,879.26
  6. Step 6: Final answer
    x = 111,637.98

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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.