Home / 165,717.40-248,616.60-76,952.20

Finding the Fourth Proportional to 165,717.40, 248,616.60 and 76,952.20

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Solution

The fourth proportional to 165,717.40, 248,616.60 and 76,952.20 is: 115,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,717.40 : 248,616.60 = 76,952.20 : x
  2. Step 2: Convert to fraction form
    165,717.40/248,616.60 = 76,952.20/x
  3. Step 3: Cross multiply
    165,717.40x = 248,616.60 × 76,952.20
  4. Step 4: Simplify right side
    165,717.40x = 19,131,594,326.52
  5. Step 5: Solve for x
    x = 19,131,594,326.52/165,717.40
  6. Step 6: Final answer
    x = 115,447.11

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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.