Home / 165,797.55-248,672.03-81,535.07

Finding the Fourth Proportional to 165,797.55, 248,672.03 and 81,535.07

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Solution

The fourth proportional to 165,797.55, 248,672.03 and 81,535.07 is: 122,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,797.55 : 248,672.03 = 81,535.07 : x
  2. Step 2: Convert to fraction form
    165,797.55/248,672.03 = 81,535.07/x
  3. Step 3: Cross multiply
    165,797.55x = 248,672.03 × 81,535.07
  4. Step 4: Simplify right side
    165,797.55x = 20,275,490,129.73
  5. Step 5: Solve for x
    x = 20,275,490,129.73/165,797.55
  6. Step 6: Final answer
    x = 122,290.65

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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.