Home / 131,976.80-197,963.40-43,233.20

Finding the Fourth Proportional to 131,976.80, 197,963.40 and 43,233.20

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Solution

The fourth proportional to 131,976.80, 197,963.40 and 43,233.20 is: 64,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,976.80 : 197,963.40 = 43,233.20 : x
  2. Step 2: Convert to fraction form
    131,976.80/197,963.40 = 43,233.20/x
  3. Step 3: Cross multiply
    131,976.80x = 197,963.40 × 43,233.20
  4. Step 4: Simplify right side
    131,976.80x = 8,558,591,264.88
  5. Step 5: Solve for x
    x = 8,558,591,264.88/131,976.80
  6. Step 6: Final answer
    x = 64,849.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.