Home / 129,486.41-178,739.82-95,766.28

Finding the Fourth Proportional to 129,486.41, 178,739.82 and 95,766.28

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Solution

The fourth proportional to 129,486.41, 178,739.82 and 95,766.28 is: 132,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,486.41 : 178,739.82 = 95,766.28 : x
  2. Step 2: Convert to fraction form
    129,486.41/178,739.82 = 95,766.28/x
  3. Step 3: Cross multiply
    129,486.41x = 178,739.82 × 95,766.28
  4. Step 4: Simplify right side
    129,486.41x = 17,117,247,649.27
  5. Step 5: Solve for x
    x = 17,117,247,649.27/129,486.41
  6. Step 6: Final answer
    x = 132,193.39

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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.