Home / 204,260.40-306,510.48-85,922.64

Finding the Fourth Proportional to 204,260.40, 306,510.48 and 85,922.64

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Solution

The fourth proportional to 204,260.40, 306,510.48 and 85,922.64 is: 128,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,260.40 : 306,510.48 = 85,922.64 : x
  2. Step 2: Convert to fraction form
    204,260.40/306,510.48 = 85,922.64/x
  3. Step 3: Cross multiply
    204,260.40x = 306,510.48 × 85,922.64
  4. Step 4: Simplify right side
    204,260.40x = 26,336,189,629.27
  5. Step 5: Solve for x
    x = 26,336,189,629.27/204,260.40
  6. Step 6: Final answer
    x = 128,934.39

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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.