Home / 90,183.67-135,306.52-40,298.20

Finding the Fourth Proportional to 90,183.67, 135,306.52 and 40,298.20

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Solution

The fourth proportional to 90,183.67, 135,306.52 and 40,298.20 is: 60,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183.67 : 135,306.52 = 40,298.20 : x
  2. Step 2: Convert to fraction form
    90,183.67/135,306.52 = 40,298.20/x
  3. Step 3: Cross multiply
    90,183.67x = 135,306.52 × 40,298.20
  4. Step 4: Simplify right side
    90,183.67x = 5,452,608,765.25
  5. Step 5: Solve for x
    x = 5,452,608,765.25/90,183.67
  6. Step 6: Final answer
    x = 60,461.16

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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.