Home / 131,331.20-196,923.90-52,356.20

Finding the Fourth Proportional to 131,331.20, 196,923.90 and 52,356.20

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Solution

The fourth proportional to 131,331.20, 196,923.90 and 52,356.20 is: 78,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,331.20 : 196,923.90 = 52,356.20 : x
  2. Step 2: Convert to fraction form
    131,331.20/196,923.90 = 52,356.20/x
  3. Step 3: Cross multiply
    131,331.20x = 196,923.90 × 52,356.20
  4. Step 4: Simplify right side
    131,331.20x = 10,310,187,093.18
  5. Step 5: Solve for x
    x = 10,310,187,093.18/131,331.20
  6. Step 6: Final answer
    x = 78,505.24

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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.