Home / 131,771.58-181,843.46-71,340.62

Finding the Fourth Proportional to 131,771.58, 181,843.46 and 71,340.62

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Solution

The fourth proportional to 131,771.58, 181,843.46 and 71,340.62 is: 98,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,771.58 : 181,843.46 = 71,340.62 : x
  2. Step 2: Convert to fraction form
    131,771.58/181,843.46 = 71,340.62/x
  3. Step 3: Cross multiply
    131,771.58x = 181,843.46 × 71,340.62
  4. Step 4: Simplify right side
    131,771.58x = 12,972,825,179.35
  5. Step 5: Solve for x
    x = 12,972,825,179.35/131,771.58
  6. Step 6: Final answer
    x = 98,449.34

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1.5x scale

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.