Home / 214,945.60-322,418.40-136,148.80

Finding the Fourth Proportional to 214,945.60, 322,418.40 and 136,148.80

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Solution

The fourth proportional to 214,945.60, 322,418.40 and 136,148.80 is: 204,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,945.60 : 322,418.40 = 136,148.80 : x
  2. Step 2: Convert to fraction form
    214,945.60/322,418.40 = 136,148.80/x
  3. Step 3: Cross multiply
    214,945.60x = 322,418.40 × 136,148.80
  4. Step 4: Simplify right side
    214,945.60x = 43,896,878,257.92
  5. Step 5: Solve for x
    x = 43,896,878,257.92/214,945.60
  6. Step 6: Final answer
    x = 204,223.20

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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.