Home / 214,979.60-322,472.56-81,867.24

Finding the Fourth Proportional to 214,979.60, 322,472.56 and 81,867.24

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Solution

The fourth proportional to 214,979.60, 322,472.56 and 81,867.24 is: 122,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,979.60 : 322,472.56 = 81,867.24 : x
  2. Step 2: Convert to fraction form
    214,979.60/322,472.56 = 81,867.24/x
  3. Step 3: Cross multiply
    214,979.60x = 322,472.56 × 81,867.24
  4. Step 4: Simplify right side
    214,979.60x = 26,399,938,462.93
  5. Step 5: Solve for x
    x = 26,399,938,462.93/214,979.60
  6. Step 6: Final answer
    x = 122,802.06

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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.