Home / 165,514.98-248,078.04-76,580.58

Finding the Fourth Proportional to 165,514.98, 248,078.04 and 76,580.58

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Solution

The fourth proportional to 165,514.98, 248,078.04 and 76,580.58 is: 114,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,514.98 : 248,078.04 = 76,580.58 : x
  2. Step 2: Convert to fraction form
    165,514.98/248,078.04 = 76,580.58/x
  3. Step 3: Cross multiply
    165,514.98x = 248,078.04 × 76,580.58
  4. Step 4: Simplify right side
    165,514.98x = 18,997,960,188.46
  5. Step 5: Solve for x
    x = 18,997,960,188.46/165,514.98
  6. Step 6: Final answer
    x = 114,780.91

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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.