Home / 165,522.32-248,406.66-81,327.68

Finding the Fourth Proportional to 165,522.32, 248,406.66 and 81,327.68

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Solution

The fourth proportional to 165,522.32, 248,406.66 and 81,327.68 is: 122,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,522.32 : 248,406.66 = 81,327.68 : x
  2. Step 2: Convert to fraction form
    165,522.32/248,406.66 = 81,327.68/x
  3. Step 3: Cross multiply
    165,522.32x = 248,406.66 × 81,327.68
  4. Step 4: Simplify right side
    165,522.32x = 20,202,337,354.35
  5. Step 5: Solve for x
    x = 20,202,337,354.35/165,522.32
  6. Step 6: Final answer
    x = 122,052.04

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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.