Home / 195,676.56-270,018.36-115,107.12

Finding the Fourth Proportional to 195,676.56, 270,018.36 and 115,107.12

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Solution

The fourth proportional to 195,676.56, 270,018.36 and 115,107.12 is: 158,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,676.56 : 270,018.36 = 115,107.12 : x
  2. Step 2: Convert to fraction form
    195,676.56/270,018.36 = 115,107.12/x
  3. Step 3: Cross multiply
    195,676.56x = 270,018.36 × 115,107.12
  4. Step 4: Simplify right side
    195,676.56x = 31,081,035,766.72
  5. Step 5: Solve for x
    x = 31,081,035,766.72/195,676.56
  6. Step 6: Final answer
    x = 158,838.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.