Home / 204,285.44-306,360.12-85,934.72

Finding the Fourth Proportional to 204,285.44, 306,360.12 and 85,934.72

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Solution

The fourth proportional to 204,285.44, 306,360.12 and 85,934.72 is: 128,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,285.44 : 306,360.12 = 85,934.72 : x
  2. Step 2: Convert to fraction form
    204,285.44/306,360.12 = 85,934.72/x
  3. Step 3: Cross multiply
    204,285.44x = 306,360.12 × 85,934.72
  4. Step 4: Simplify right side
    204,285.44x = 26,326,971,131.37
  5. Step 5: Solve for x
    x = 26,326,971,131.37/204,285.44
  6. Step 6: Final answer
    x = 128,873.46

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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.