Home / 90,298.60-135,442.14-40,382.44

Finding the Fourth Proportional to 90,298.60, 135,442.14 and 40,382.44

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Solution

The fourth proportional to 90,298.60, 135,442.14 and 40,382.44 is: 60,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,298.60 : 135,442.14 = 40,382.44 : x
  2. Step 2: Convert to fraction form
    90,298.60/135,442.14 = 40,382.44/x
  3. Step 3: Cross multiply
    90,298.60x = 135,442.14 × 40,382.44
  4. Step 4: Simplify right side
    90,298.60x = 5,469,484,092.02
  5. Step 5: Solve for x
    x = 5,469,484,092.02/90,298.60
  6. Step 6: Final answer
    x = 60,571.08

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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.