Home / 131,627.70-181,645.52-71,198.28

Finding the Fourth Proportional to 131,627.70, 181,645.52 and 71,198.28

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Solution

The fourth proportional to 131,627.70, 181,645.52 and 71,198.28 is: 98,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,627.70 : 181,645.52 = 71,198.28 : x
  2. Step 2: Convert to fraction form
    131,627.70/181,645.52 = 71,198.28/x
  3. Step 3: Cross multiply
    131,627.70x = 181,645.52 × 71,198.28
  4. Step 4: Simplify right side
    131,627.70x = 12,932,848,593.71
  5. Step 5: Solve for x
    x = 12,932,848,593.71/131,627.70
  6. Step 6: Final answer
    x = 98,253.24

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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.