Home / 223,081.35-307,850.09-121,104.57

Finding the Fourth Proportional to 223,081.35, 307,850.09 and 121,104.57

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Solution

The fourth proportional to 223,081.35, 307,850.09 and 121,104.57 is: 167,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,081.35 : 307,850.09 = 121,104.57 : x
  2. Step 2: Convert to fraction form
    223,081.35/307,850.09 = 121,104.57/x
  3. Step 3: Cross multiply
    223,081.35x = 307,850.09 × 121,104.57
  4. Step 4: Simplify right side
    223,081.35x = 37,282,052,773.91
  5. Step 5: Solve for x
    x = 37,282,052,773.91/223,081.35
  6. Step 6: Final answer
    x = 167,123.13

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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.