Home / 165,729.96-248,372.46-90,736.92

Finding the Fourth Proportional to 165,729.96, 248,372.46 and 90,736.92

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Solution

The fourth proportional to 165,729.96, 248,372.46 and 90,736.92 is: 135,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,729.96 : 248,372.46 = 90,736.92 : x
  2. Step 2: Convert to fraction form
    165,729.96/248,372.46 = 90,736.92/x
  3. Step 3: Cross multiply
    165,729.96x = 248,372.46 × 90,736.92
  4. Step 4: Simplify right side
    165,729.96x = 22,536,552,033.22
  5. Step 5: Solve for x
    x = 22,536,552,033.22/165,729.96
  6. Step 6: Final answer
    x = 135,983.57

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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.