Home / 90,093.44-135,082.92-79,022.36

Finding the Fourth Proportional to 90,093.44, 135,082.92 and 79,022.36

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Solution

The fourth proportional to 90,093.44, 135,082.92 and 79,022.36 is: 118,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,093.44 : 135,082.92 = 79,022.36 : x
  2. Step 2: Convert to fraction form
    90,093.44/135,082.92 = 79,022.36/x
  3. Step 3: Cross multiply
    90,093.44x = 135,082.92 × 79,022.36
  4. Step 4: Simplify right side
    90,093.44x = 10,674,571,134.09
  5. Step 5: Solve for x
    x = 10,674,571,134.09/90,093.44
  6. Step 6: Final answer
    x = 118,483.33

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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.