Home / 90,296.67-135,500.37-40,418.94

Finding the Fourth Proportional to 90,296.67, 135,500.37 and 40,418.94

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Solution

The fourth proportional to 90,296.67, 135,500.37 and 40,418.94 is: 60,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,296.67 : 135,500.37 = 40,418.94 : x
  2. Step 2: Convert to fraction form
    90,296.67/135,500.37 = 40,418.94/x
  3. Step 3: Cross multiply
    90,296.67x = 135,500.37 × 40,418.94
  4. Step 4: Simplify right side
    90,296.67x = 5,476,781,173.44
  5. Step 5: Solve for x
    x = 5,476,781,173.44/90,296.67
  6. Step 6: Final answer
    x = 60,653.19

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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.