Home / 204,433.04-306,649.60-91,981.92

Finding the Fourth Proportional to 204,433.04, 306,649.60 and 91,981.92

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Solution

The fourth proportional to 204,433.04, 306,649.60 and 91,981.92 is: 137,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,433.04 : 306,649.60 = 91,981.92 : x
  2. Step 2: Convert to fraction form
    204,433.04/306,649.60 = 91,981.92/x
  3. Step 3: Cross multiply
    204,433.04x = 306,649.60 × 91,981.92
  4. Step 4: Simplify right side
    204,433.04x = 28,206,218,975.23
  5. Step 5: Solve for x
    x = 28,206,218,975.23/204,433.04
  6. Step 6: Final answer
    x = 137,972.90

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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.