Home / 204,150.94-306,158.37-85,800.22

Finding the Fourth Proportional to 204,150.94, 306,158.37 and 85,800.22

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Solution

The fourth proportional to 204,150.94, 306,158.37 and 85,800.22 is: 128,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,150.94 : 306,158.37 = 85,800.22 : x
  2. Step 2: Convert to fraction form
    204,150.94/306,158.37 = 85,800.22/x
  3. Step 3: Cross multiply
    204,150.94x = 306,158.37 × 85,800.22
  4. Step 4: Simplify right side
    204,150.94x = 26,268,455,500.84
  5. Step 5: Solve for x
    x = 26,268,455,500.84/204,150.94
  6. Step 6: Final answer
    x = 128,671.73

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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.