Home / 106,186.35-146,540.11-57,788.72

Finding the Fourth Proportional to 106,186.35, 146,540.11 and 57,788.72

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Solution

The fourth proportional to 106,186.35, 146,540.11 and 57,788.72 is: 79,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,186.35 : 146,540.11 = 57,788.72 : x
  2. Step 2: Convert to fraction form
    106,186.35/146,540.11 = 57,788.72/x
  3. Step 3: Cross multiply
    106,186.35x = 146,540.11 × 57,788.72
  4. Step 4: Simplify right side
    106,186.35x = 8,468,365,096.62
  5. Step 5: Solve for x
    x = 8,468,365,096.62/106,186.35
  6. Step 6: Final answer
    x = 79,750.03

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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.