Home / 195,737.10-270,104.38-115,149.05

Finding the Fourth Proportional to 195,737.10, 270,104.38 and 115,149.05

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Solution

The fourth proportional to 195,737.10, 270,104.38 and 115,149.05 is: 158,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,737.10 : 270,104.38 = 115,149.05 : x
  2. Step 2: Convert to fraction form
    195,737.10/270,104.38 = 115,149.05/x
  3. Step 3: Cross multiply
    195,737.10x = 270,104.38 × 115,149.05
  4. Step 4: Simplify right side
    195,737.10x = 31,102,262,757.84
  5. Step 5: Solve for x
    x = 31,102,262,757.84/195,737.10
  6. Step 6: Final answer
    x = 158,898.15

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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.