Home / 204,244.58-306,180.12-85,924.28

Finding the Fourth Proportional to 204,244.58, 306,180.12 and 85,924.28

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Solution

The fourth proportional to 204,244.58, 306,180.12 and 85,924.28 is: 128,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,244.58 : 306,180.12 = 85,924.28 : x
  2. Step 2: Convert to fraction form
    204,244.58/306,180.12 = 85,924.28/x
  3. Step 3: Cross multiply
    204,244.58x = 306,180.12 × 85,924.28
  4. Step 4: Simplify right side
    204,244.58x = 26,308,306,361.31
  5. Step 5: Solve for x
    x = 26,308,306,361.31/204,244.58
  6. Step 6: Final answer
    x = 128,807.86

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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.