Home / 214,869.14-322,443.64-81,750.55

Finding the Fourth Proportional to 214,869.14, 322,443.64 and 81,750.55

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Solution

The fourth proportional to 214,869.14, 322,443.64 and 81,750.55 is: 122,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,869.14 : 322,443.64 = 81,750.55 : x
  2. Step 2: Convert to fraction form
    214,869.14/322,443.64 = 81,750.55/x
  3. Step 3: Cross multiply
    214,869.14x = 322,443.64 × 81,750.55
  4. Step 4: Simplify right side
    214,869.14x = 26,359,944,914.00
  5. Step 5: Solve for x
    x = 26,359,944,914.00/214,869.14
  6. Step 6: Final answer
    x = 122,679.06

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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.