Home / 220,637.28-304,481.52-131,196

Finding the Fourth Proportional to 220,637.28, 304,481.52 and 131,196

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Solution

The fourth proportional to 220,637.28, 304,481.52 and 131,196 is: 181,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,637.28 : 304,481.52 = 131,196 : x
  2. Step 2: Convert to fraction form
    220,637.28/304,481.52 = 131,196/x
  3. Step 3: Cross multiply
    220,637.28x = 304,481.52 × 131,196
  4. Step 4: Simplify right side
    220,637.28x = 39,946,757,497.92
  5. Step 5: Solve for x
    x = 39,946,757,497.92/220,637.28
  6. Step 6: Final answer
    x = 181,051.71

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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.