Home / 165,579.12-248,393.52-76,841.73

Finding the Fourth Proportional to 165,579.12, 248,393.52 and 76,841.73

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Solution

The fourth proportional to 165,579.12, 248,393.52 and 76,841.73 is: 115,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,579.12 : 248,393.52 = 76,841.73 : x
  2. Step 2: Convert to fraction form
    165,579.12/248,393.52 = 76,841.73/x
  3. Step 3: Cross multiply
    165,579.12x = 248,393.52 × 76,841.73
  4. Step 4: Simplify right side
    165,579.12x = 19,086,987,797.59
  5. Step 5: Solve for x
    x = 19,086,987,797.59/165,579.12
  6. Step 6: Final answer
    x = 115,274.12

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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.