Home / 165,536.73-248,268.15-76,778.73

Finding the Fourth Proportional to 165,536.73, 248,268.15 and 76,778.73

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Solution

The fourth proportional to 165,536.73, 248,268.15 and 76,778.73 is: 115,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,536.73 : 248,268.15 = 76,778.73 : x
  2. Step 2: Convert to fraction form
    165,536.73/248,268.15 = 76,778.73/x
  3. Step 3: Cross multiply
    165,536.73x = 248,268.15 × 76,778.73
  4. Step 4: Simplify right side
    165,536.73x = 19,061,713,256.45
  5. Step 5: Solve for x
    x = 19,061,713,256.45/165,536.73
  6. Step 6: Final answer
    x = 115,150.96

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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.