Home / 165,313.85-247,773.94-115,122.20

Finding the Fourth Proportional to 165,313.85, 247,773.94 and 115,122.20

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Solution

The fourth proportional to 165,313.85, 247,773.94 and 115,122.20 is: 172,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,313.85 : 247,773.94 = 115,122.20 : x
  2. Step 2: Convert to fraction form
    165,313.85/247,773.94 = 115,122.20/x
  3. Step 3: Cross multiply
    165,313.85x = 247,773.94 × 115,122.20
  4. Step 4: Simplify right side
    165,313.85x = 28,524,279,548.79
  5. Step 5: Solve for x
    x = 28,524,279,548.79/165,313.85
  6. Step 6: Final answer
    x = 172,546.22

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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.