Home / 110,717.25-152,785.41-65,409.83

Finding the Fourth Proportional to 110,717.25, 152,785.41 and 65,409.83

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Solution

The fourth proportional to 110,717.25, 152,785.41 and 65,409.83 is: 90,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717.25 : 152,785.41 = 65,409.83 : x
  2. Step 2: Convert to fraction form
    110,717.25/152,785.41 = 65,409.83/x
  3. Step 3: Cross multiply
    110,717.25x = 152,785.41 × 65,409.83
  4. Step 4: Simplify right side
    110,717.25x = 9,993,667,810.21
  5. Step 5: Solve for x
    x = 9,993,667,810.21/110,717.25
  6. Step 6: Final answer
    x = 90,262.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.