Home / 115,724.39-173,306.26-80,085.84

Finding the Fourth Proportional to 115,724.39, 173,306.26 and 80,085.84

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Solution

The fourth proportional to 115,724.39, 173,306.26 and 80,085.84 is: 119,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,724.39 : 173,306.26 = 80,085.84 : x
  2. Step 2: Convert to fraction form
    115,724.39/173,306.26 = 80,085.84/x
  3. Step 3: Cross multiply
    115,724.39x = 173,306.26 × 80,085.84
  4. Step 4: Simplify right side
    115,724.39x = 13,879,377,409.36
  5. Step 5: Solve for x
    x = 13,879,377,409.36/115,724.39
  6. Step 6: Final answer
    x = 119,934.76

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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.