Home / 90,257.24-135,361.10-50,226.92

Finding the Fourth Proportional to 90,257.24, 135,361.10 and 50,226.92

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Solution

The fourth proportional to 90,257.24, 135,361.10 and 50,226.92 is: 75,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,257.24 : 135,361.10 = 50,226.92 : x
  2. Step 2: Convert to fraction form
    90,257.24/135,361.10 = 50,226.92/x
  3. Step 3: Cross multiply
    90,257.24x = 135,361.10 × 50,226.92
  4. Step 4: Simplify right side
    90,257.24x = 6,798,771,140.81
  5. Step 5: Solve for x
    x = 6,798,771,140.81/90,257.24
  6. Step 6: Final answer
    x = 75,326.60

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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.