Home / 90,300.88-135,322.26-50,775.04

Finding the Fourth Proportional to 90,300.88, 135,322.26 and 50,775.04

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Solution

The fourth proportional to 90,300.88, 135,322.26 and 50,775.04 is: 76,089.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,300.88 : 135,322.26 = 50,775.04 : x
  2. Step 2: Convert to fraction form
    90,300.88/135,322.26 = 50,775.04/x
  3. Step 3: Cross multiply
    90,300.88x = 135,322.26 × 50,775.04
  4. Step 4: Simplify right side
    90,300.88x = 6,870,993,164.39
  5. Step 5: Solve for x
    x = 6,870,993,164.39/90,300.88
  6. Step 6: Final answer
    x = 76,089.99

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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.