Home / 165,474.36-248,170.68-76,642.56

Finding the Fourth Proportional to 165,474.36, 248,170.68 and 76,642.56

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Solution

The fourth proportional to 165,474.36, 248,170.68 and 76,642.56 is: 114,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,474.36 : 248,170.68 = 76,642.56 : x
  2. Step 2: Convert to fraction form
    165,474.36/248,170.68 = 76,642.56/x
  3. Step 3: Cross multiply
    165,474.36x = 248,170.68 × 76,642.56
  4. Step 4: Simplify right side
    165,474.36x = 19,020,436,232.14
  5. Step 5: Solve for x
    x = 19,020,436,232.14/165,474.36
  6. Step 6: Final answer
    x = 114,944.91

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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.