Home / 204,130.26-305,540.25-109,122.86

Finding the Fourth Proportional to 204,130.26, 305,540.25 and 109,122.86

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Solution

The fourth proportional to 204,130.26, 305,540.25 and 109,122.86 is: 163,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,130.26 : 305,540.25 = 109,122.86 : x
  2. Step 2: Convert to fraction form
    204,130.26/305,540.25 = 109,122.86/x
  3. Step 3: Cross multiply
    204,130.26x = 305,540.25 × 109,122.86
  4. Step 4: Simplify right side
    204,130.26x = 33,341,425,925.12
  5. Step 5: Solve for x
    x = 33,341,425,925.12/204,130.26
  6. Step 6: Final answer
    x = 163,334.07

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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.