Home / 214,815.88-322,141.02-81,625.96

Finding the Fourth Proportional to 214,815.88, 322,141.02 and 81,625.96

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Solution

The fourth proportional to 214,815.88, 322,141.02 and 81,625.96 is: 122,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,815.88 : 322,141.02 = 81,625.96 : x
  2. Step 2: Convert to fraction form
    214,815.88/322,141.02 = 81,625.96/x
  3. Step 3: Cross multiply
    214,815.88x = 322,141.02 × 81,625.96
  4. Step 4: Simplify right side
    214,815.88x = 26,295,070,012.88
  5. Step 5: Solve for x
    x = 26,295,070,012.88/214,815.88
  6. Step 6: Final answer
    x = 122,407.48

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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.