Home / 165,930.24-248,868-71,175.72

Finding the Fourth Proportional to 165,930.24, 248,868 and 71,175.72

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Solution

The fourth proportional to 165,930.24, 248,868 and 71,175.72 is: 106,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,930.24 : 248,868 = 71,175.72 : x
  2. Step 2: Convert to fraction form
    165,930.24/248,868 = 71,175.72/x
  3. Step 3: Cross multiply
    165,930.24x = 248,868 × 71,175.72
  4. Step 4: Simplify right side
    165,930.24x = 17,713,359,084.96
  5. Step 5: Solve for x
    x = 17,713,359,084.96/165,930.24
  6. Step 6: Final answer
    x = 106,751.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.