Home / 214,904.90-322,422.15-115,112.90

Finding the Fourth Proportional to 214,904.90, 322,422.15 and 115,112.90

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Solution

The fourth proportional to 214,904.90, 322,422.15 and 115,112.90 is: 172,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,904.90 : 322,422.15 = 115,112.90 : x
  2. Step 2: Convert to fraction form
    214,904.90/322,422.15 = 115,112.90/x
  3. Step 3: Cross multiply
    214,904.90x = 322,422.15 × 115,112.90
  4. Step 4: Simplify right side
    214,904.90x = 37,114,948,710.74
  5. Step 5: Solve for x
    x = 37,114,948,710.74/214,904.90
  6. Step 6: Final answer
    x = 172,704.06

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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.