Home / 204,358.53-306,534.22-91,959.20

Finding the Fourth Proportional to 204,358.53, 306,534.22 and 91,959.20

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Solution

The fourth proportional to 204,358.53, 306,534.22 and 91,959.20 is: 137,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,358.53 : 306,534.22 = 91,959.20 : x
  2. Step 2: Convert to fraction form
    204,358.53/306,534.22 = 91,959.20/x
  3. Step 3: Cross multiply
    204,358.53x = 306,534.22 × 91,959.20
  4. Step 4: Simplify right side
    204,358.53x = 28,188,639,881.25
  5. Step 5: Solve for x
    x = 28,188,639,881.25/204,358.53
  6. Step 6: Final answer
    x = 137,937.18

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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.