Home / 90,834.24-135,901.44-61,110.48

Finding the Fourth Proportional to 90,834.24, 135,901.44 and 61,110.48

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Solution

The fourth proportional to 90,834.24, 135,901.44 and 61,110.48 is: 91,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,834.24 : 135,901.44 = 61,110.48 : x
  2. Step 2: Convert to fraction form
    90,834.24/135,901.44 = 61,110.48/x
  3. Step 3: Cross multiply
    90,834.24x = 135,901.44 × 61,110.48
  4. Step 4: Simplify right side
    90,834.24x = 8,305,002,231.09
  5. Step 5: Solve for x
    x = 8,305,002,231.09/90,834.24
  6. Step 6: Final answer
    x = 91,430.30

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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.