Home / 134,797.44-202,195.20-105,240

Finding the Fourth Proportional to 134,797.44, 202,195.20 and 105,240

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Solution

The fourth proportional to 134,797.44, 202,195.20 and 105,240 is: 157,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,797.44 : 202,195.20 = 105,240 : x
  2. Step 2: Convert to fraction form
    134,797.44/202,195.20 = 105,240/x
  3. Step 3: Cross multiply
    134,797.44x = 202,195.20 × 105,240
  4. Step 4: Simplify right side
    134,797.44x = 21,279,022,848
  5. Step 5: Solve for x
    x = 21,279,022,848/134,797.44
  6. Step 6: Final answer
    x = 157,859.25

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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.