Home / 195,168.28-269,319.76-109,134.35

Finding the Fourth Proportional to 195,168.28, 269,319.76 and 109,134.35

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Solution

The fourth proportional to 195,168.28, 269,319.76 and 109,134.35 is: 150,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,168.28 : 269,319.76 = 109,134.35 : x
  2. Step 2: Convert to fraction form
    195,168.28/269,319.76 = 109,134.35/x
  3. Step 3: Cross multiply
    195,168.28x = 269,319.76 × 109,134.35
  4. Step 4: Simplify right side
    195,168.28x = 29,392,037,855.19
  5. Step 5: Solve for x
    x = 29,392,037,855.19/195,168.28
  6. Step 6: Final answer
    x = 150,598.44

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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.