Home / 90,197.62-135,297.33-40,280.24

Finding the Fourth Proportional to 90,197.62, 135,297.33 and 40,280.24

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Solution

The fourth proportional to 90,197.62, 135,297.33 and 40,280.24 is: 60,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,197.62 : 135,297.33 = 40,280.24 : x
  2. Step 2: Convert to fraction form
    90,197.62/135,297.33 = 40,280.24/x
  3. Step 3: Cross multiply
    90,197.62x = 135,297.33 × 40,280.24
  4. Step 4: Simplify right side
    90,197.62x = 5,449,808,923.76
  5. Step 5: Solve for x
    x = 5,449,808,923.76/90,197.62
  6. Step 6: Final answer
    x = 60,420.76

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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.