Home / 204,172.32-306,234.18-54,423.84

Finding the Fourth Proportional to 204,172.32, 306,234.18 and 54,423.84

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Solution

The fourth proportional to 204,172.32, 306,234.18 and 54,423.84 is: 81,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,172.32 : 306,234.18 = 54,423.84 : x
  2. Step 2: Convert to fraction form
    204,172.32/306,234.18 = 54,423.84/x
  3. Step 3: Cross multiply
    204,172.32x = 306,234.18 × 54,423.84
  4. Step 4: Simplify right side
    204,172.32x = 16,666,440,014.85
  5. Step 5: Solve for x
    x = 16,666,440,014.85/204,172.32
  6. Step 6: Final answer
    x = 81,629.28

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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.