Home / 90,181.28-135,230.88-37,559.36

Finding the Fourth Proportional to 90,181.28, 135,230.88 and 37,559.36

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Solution

The fourth proportional to 90,181.28, 135,230.88 and 37,559.36 is: 56,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,181.28 : 135,230.88 = 37,559.36 : x
  2. Step 2: Convert to fraction form
    90,181.28/135,230.88 = 37,559.36/x
  3. Step 3: Cross multiply
    90,181.28x = 135,230.88 × 37,559.36
  4. Step 4: Simplify right side
    90,181.28x = 5,079,185,305.04
  5. Step 5: Solve for x
    x = 5,079,185,305.04/90,181.28
  6. Step 6: Final answer
    x = 56,321.95

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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.