Home / 204,039.90-305,800.02-115,342.74

Finding the Fourth Proportional to 204,039.90, 305,800.02 and 115,342.74

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Solution

The fourth proportional to 204,039.90, 305,800.02 and 115,342.74 is: 172,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,039.90 : 305,800.02 = 115,342.74 : x
  2. Step 2: Convert to fraction form
    204,039.90/305,800.02 = 115,342.74/x
  3. Step 3: Cross multiply
    204,039.90x = 305,800.02 × 115,342.74
  4. Step 4: Simplify right side
    204,039.90x = 35,271,812,198.85
  5. Step 5: Solve for x
    x = 35,271,812,198.85/204,039.90
  6. Step 6: Final answer
    x = 172,867.23

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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.