Home / 148,964.86-205,569.05-80,983.52

Finding the Fourth Proportional to 148,964.86, 205,569.05 and 80,983.52

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Solution

The fourth proportional to 148,964.86, 205,569.05 and 80,983.52 is: 111,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,964.86 : 205,569.05 = 80,983.52 : x
  2. Step 2: Convert to fraction form
    148,964.86/205,569.05 = 80,983.52/x
  3. Step 3: Cross multiply
    148,964.86x = 205,569.05 × 80,983.52
  4. Step 4: Simplify right side
    148,964.86x = 16,647,705,272.06
  5. Step 5: Solve for x
    x = 16,647,705,272.06/148,964.86
  6. Step 6: Final answer
    x = 111,755.92

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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.