Home / 131,228.51-196,873.94-42,481.97

Finding the Fourth Proportional to 131,228.51, 196,873.94 and 42,481.97

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Solution

The fourth proportional to 131,228.51, 196,873.94 and 42,481.97 is: 63,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,228.51 : 196,873.94 = 42,481.97 : x
  2. Step 2: Convert to fraction form
    131,228.51/196,873.94 = 42,481.97/x
  3. Step 3: Cross multiply
    131,228.51x = 196,873.94 × 42,481.97
  4. Step 4: Simplify right side
    131,228.51x = 8,363,592,672.97
  5. Step 5: Solve for x
    x = 8,363,592,672.97/131,228.51
  6. Step 6: Final answer
    x = 63,733.05

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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.