Home / 90,500.22-135,758.31-33,574.78

Finding the Fourth Proportional to 90,500.22, 135,758.31 and 33,574.78

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Solution

The fourth proportional to 90,500.22, 135,758.31 and 33,574.78 is: 50,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,500.22 : 135,758.31 = 33,574.78 : x
  2. Step 2: Convert to fraction form
    90,500.22/135,758.31 = 33,574.78/x
  3. Step 3: Cross multiply
    90,500.22x = 135,758.31 × 33,574.78
  4. Step 4: Simplify right side
    90,500.22x = 4,558,055,911.46
  5. Step 5: Solve for x
    x = 4,558,055,911.46/90,500.22
  6. Step 6: Final answer
    x = 50,365.14

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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.