Home / 134.25-201.39-70.14

Finding the Fourth Proportional to 134.25, 201.39 and 70.14

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Solution

The fourth proportional to 134.25, 201.39 and 70.14 is: 105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.25 : 201.39 = 70.14 : x
  2. Step 2: Convert to fraction form
    134.25/201.39 = 70.14/x
  3. Step 3: Cross multiply
    134.25x = 201.39 × 70.14
  4. Step 4: Simplify right side
    134.25x = 14,125.49
  5. Step 5: Solve for x
    x = 14,125.49/134.25
  6. Step 6: Final answer
    x = 105.22

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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.