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Finding the Fourth Proportional to 101,112.60, 151,465.89 and 50,358.66

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Solution

The fourth proportional to 101,112.60, 151,465.89 and 50,358.66 is: 75,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,112.60 : 151,465.89 = 50,358.66 : x
  2. Step 2: Convert to fraction form
    101,112.60/151,465.89 = 50,358.66/x
  3. Step 3: Cross multiply
    101,112.60x = 151,465.89 × 50,358.66
  4. Step 4: Simplify right side
    101,112.60x = 7,627,619,256.11
  5. Step 5: Solve for x
    x = 7,627,619,256.11/101,112.60
  6. Step 6: Final answer
    x = 75,436.88

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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.