Home / 165,419.62-248,154.03-76,682.10

Finding the Fourth Proportional to 165,419.62, 248,154.03 and 76,682.10

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Solution

The fourth proportional to 165,419.62, 248,154.03 and 76,682.10 is: 115,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,419.62 : 248,154.03 = 76,682.10 : x
  2. Step 2: Convert to fraction form
    165,419.62/248,154.03 = 76,682.10/x
  3. Step 3: Cross multiply
    165,419.62x = 248,154.03 × 76,682.10
  4. Step 4: Simplify right side
    165,419.62x = 19,028,972,143.86
  5. Step 5: Solve for x
    x = 19,028,972,143.86/165,419.62
  6. Step 6: Final answer
    x = 115,034.55

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1.5x scale

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.