Home / 167,279.11-230,838.96-90,796.57

Finding the Fourth Proportional to 167,279.11, 230,838.96 and 90,796.57

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Solution

The fourth proportional to 167,279.11, 230,838.96 and 90,796.57 is: 125,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,279.11 : 230,838.96 = 90,796.57 : x
  2. Step 2: Convert to fraction form
    167,279.11/230,838.96 = 90,796.57/x
  3. Step 3: Cross multiply
    167,279.11x = 230,838.96 × 90,796.57
  4. Step 4: Simplify right side
    167,279.11x = 20,959,385,790.37
  5. Step 5: Solve for x
    x = 20,959,385,790.37/167,279.11
  6. Step 6: Final answer
    x = 125,295.89

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1.5x scale

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.