Home / 131,550.80-197,375.90-78,996.92

Finding the Fourth Proportional to 131,550.80, 197,375.90 and 78,996.92

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Solution

The fourth proportional to 131,550.80, 197,375.90 and 78,996.92 is: 118,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,550.80 : 197,375.90 = 78,996.92 : x
  2. Step 2: Convert to fraction form
    131,550.80/197,375.90 = 78,996.92/x
  3. Step 3: Cross multiply
    131,550.80x = 197,375.90 × 78,996.92
  4. Step 4: Simplify right side
    131,550.80x = 15,592,087,392.84
  5. Step 5: Solve for x
    x = 15,592,087,392.84/131,550.80
  6. Step 6: Final answer
    x = 118,525.22

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1.5x scale

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.