Home / 204,150.15-306,295.39-91,909.06

Finding the Fourth Proportional to 204,150.15, 306,295.39 and 91,909.06

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Solution

The fourth proportional to 204,150.15, 306,295.39 and 91,909.06 is: 137,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,150.15 : 306,295.39 = 91,909.06 : x
  2. Step 2: Convert to fraction form
    204,150.15/306,295.39 = 91,909.06/x
  3. Step 3: Cross multiply
    204,150.15x = 306,295.39 × 91,909.06
  4. Step 4: Simplify right side
    204,150.15x = 28,151,321,377.23
  5. Step 5: Solve for x
    x = 28,151,321,377.23/204,150.15
  6. Step 6: Final answer
    x = 137,895.18

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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.