Home / 269,856.35-372,402.30-148,997.87

Finding the Fourth Proportional to 269,856.35, 372,402.30 and 148,997.87

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Solution

The fourth proportional to 269,856.35, 372,402.30 and 148,997.87 is: 205,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,856.35 : 372,402.30 = 148,997.87 : x
  2. Step 2: Convert to fraction form
    269,856.35/372,402.30 = 148,997.87/x
  3. Step 3: Cross multiply
    269,856.35x = 372,402.30 × 148,997.87
  4. Step 4: Simplify right side
    269,856.35x = 55,487,147,621.09
  5. Step 5: Solve for x
    x = 55,487,147,621.09/269,856.35
  6. Step 6: Final answer
    x = 205,617.35

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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.