Home / 214,098.48-320,972.28-80,902.96

Finding the Fourth Proportional to 214,098.48, 320,972.28 and 80,902.96

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Solution

The fourth proportional to 214,098.48, 320,972.28 and 80,902.96 is: 121,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,098.48 : 320,972.28 = 80,902.96 : x
  2. Step 2: Convert to fraction form
    214,098.48/320,972.28 = 80,902.96/x
  3. Step 3: Cross multiply
    214,098.48x = 320,972.28 × 80,902.96
  4. Step 4: Simplify right side
    214,098.48x = 25,967,607,529.95
  5. Step 5: Solve for x
    x = 25,967,607,529.95/214,098.48
  6. Step 6: Final answer
    x = 121,288.15

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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.