Home / 129,840.36-179,131.68-95,930.52

Finding the Fourth Proportional to 129,840.36, 179,131.68 and 95,930.52

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Solution

The fourth proportional to 129,840.36, 179,131.68 and 95,930.52 is: 132,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,840.36 : 179,131.68 = 95,930.52 : x
  2. Step 2: Convert to fraction form
    129,840.36/179,131.68 = 95,930.52/x
  3. Step 3: Cross multiply
    129,840.36x = 179,131.68 × 95,930.52
  4. Step 4: Simplify right side
    129,840.36x = 17,184,195,210.87
  5. Step 5: Solve for x
    x = 17,184,195,210.87/129,840.36
  6. Step 6: Final answer
    x = 132,348.64

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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.