Home / 204,126.48-305,534.61-109,119.15

Finding the Fourth Proportional to 204,126.48, 305,534.61 and 109,119.15

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Solution

The fourth proportional to 204,126.48, 305,534.61 and 109,119.15 is: 163,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,126.48 : 305,534.61 = 109,119.15 : x
  2. Step 2: Convert to fraction form
    204,126.48/305,534.61 = 109,119.15/x
  3. Step 3: Cross multiply
    204,126.48x = 305,534.61 × 109,119.15
  4. Step 4: Simplify right side
    204,126.48x = 33,339,676,938.78
  5. Step 5: Solve for x
    x = 33,339,676,938.78/204,126.48
  6. Step 6: Final answer
    x = 163,328.53

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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.