Home / 204,283.44-306,357.12-85,932.72

Finding the Fourth Proportional to 204,283.44, 306,357.12 and 85,932.72

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Solution

The fourth proportional to 204,283.44, 306,357.12 and 85,932.72 is: 128,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,283.44 : 306,357.12 = 85,932.72 : x
  2. Step 2: Convert to fraction form
    204,283.44/306,357.12 = 85,932.72/x
  3. Step 3: Cross multiply
    204,283.44x = 306,357.12 × 85,932.72
  4. Step 4: Simplify right side
    204,283.44x = 26,326,100,612.97
  5. Step 5: Solve for x
    x = 26,326,100,612.97/204,283.44
  6. Step 6: Final answer
    x = 128,870.46

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1.5x scale

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.