Home / 101,135.39-151,770.81-41,971.12

Finding the Fourth Proportional to 101,135.39, 151,770.81 and 41,971.12

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Solution

The fourth proportional to 101,135.39, 151,770.81 and 41,971.12 is: 62,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,135.39 : 151,770.81 = 41,971.12 : x
  2. Step 2: Convert to fraction form
    101,135.39/151,770.81 = 41,971.12/x
  3. Step 3: Cross multiply
    101,135.39x = 151,770.81 × 41,971.12
  4. Step 4: Simplify right side
    101,135.39x = 6,369,989,910.30
  5. Step 5: Solve for x
    x = 6,369,989,910.30/101,135.39
  6. Step 6: Final answer
    x = 62,984.78

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1.5x scale

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.