Home / 165,929.40-248,894.10-55,121.40

Finding the Fourth Proportional to 165,929.40, 248,894.10 and 55,121.40

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Solution

The fourth proportional to 165,929.40, 248,894.10 and 55,121.40 is: 82,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,929.40 : 248,894.10 = 55,121.40 : x
  2. Step 2: Convert to fraction form
    165,929.40/248,894.10 = 55,121.40/x
  3. Step 3: Cross multiply
    165,929.40x = 248,894.10 × 55,121.40
  4. Step 4: Simplify right side
    165,929.40x = 13,719,391,243.74
  5. Step 5: Solve for x
    x = 13,719,391,243.74/165,929.40
  6. Step 6: Final answer
    x = 82,682.10

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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.