Home / 90,198.24-135,305.33-23,638.11

Finding the Fourth Proportional to 90,198.24, 135,305.33 and 23,638.11

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Solution

The fourth proportional to 90,198.24, 135,305.33 and 23,638.11 is: 35,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,198.24 : 135,305.33 = 23,638.11 : x
  2. Step 2: Convert to fraction form
    90,198.24/135,305.33 = 23,638.11/x
  3. Step 3: Cross multiply
    90,198.24x = 135,305.33 × 23,638.11
  4. Step 4: Simplify right side
    90,198.24x = 3,198,362,274.13
  5. Step 5: Solve for x
    x = 3,198,362,274.13/90,198.24
  6. Step 6: Final answer
    x = 35,459.25

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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.