Home / 131,256.56-196,961.30-55,350.45

Finding the Fourth Proportional to 131,256.56, 196,961.30 and 55,350.45

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Solution

The fourth proportional to 131,256.56, 196,961.30 and 55,350.45 is: 83,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,256.56 : 196,961.30 = 55,350.45 : x
  2. Step 2: Convert to fraction form
    131,256.56/196,961.30 = 55,350.45/x
  3. Step 3: Cross multiply
    131,256.56x = 196,961.30 × 55,350.45
  4. Step 4: Simplify right side
    131,256.56x = 10,901,896,310.83
  5. Step 5: Solve for x
    x = 10,901,896,310.83/131,256.56
  6. Step 6: Final answer
    x = 83,057.92

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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.