Home / 204,270.66-306,147.20-91,830.92

Finding the Fourth Proportional to 204,270.66, 306,147.20 and 91,830.92

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Solution

The fourth proportional to 204,270.66, 306,147.20 and 91,830.92 is: 137,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,270.66 : 306,147.20 = 91,830.92 : x
  2. Step 2: Convert to fraction form
    204,270.66/306,147.20 = 91,830.92/x
  3. Step 3: Cross multiply
    204,270.66x = 306,147.20 × 91,830.92
  4. Step 4: Simplify right side
    204,270.66x = 28,113,777,041.53
  5. Step 5: Solve for x
    x = 28,113,777,041.53/204,270.66
  6. Step 6: Final answer
    x = 137,630.03

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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.