Home / 229,719.68-344,371.92-81,941.12

Finding the Fourth Proportional to 229,719.68, 344,371.92 and 81,941.12

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Solution

The fourth proportional to 229,719.68, 344,371.92 and 81,941.12 is: 122,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,719.68 : 344,371.92 = 81,941.12 : x
  2. Step 2: Convert to fraction form
    229,719.68/344,371.92 = 81,941.12/x
  3. Step 3: Cross multiply
    229,719.68x = 344,371.92 × 81,941.12
  4. Step 4: Simplify right side
    229,719.68x = 28,218,220,821.35
  5. Step 5: Solve for x
    x = 28,218,220,821.35/229,719.68
  6. Step 6: Final answer
    x = 122,837.63

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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.