Home / 126,165.87-189,241.38-47,273.49

Finding the Fourth Proportional to 126,165.87, 189,241.38 and 47,273.49

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Solution

The fourth proportional to 126,165.87, 189,241.38 and 47,273.49 is: 70,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,165.87 : 189,241.38 = 47,273.49 : x
  2. Step 2: Convert to fraction form
    126,165.87/189,241.38 = 47,273.49/x
  3. Step 3: Cross multiply
    126,165.87x = 189,241.38 × 47,273.49
  4. Step 4: Simplify right side
    126,165.87x = 8,946,100,485.02
  5. Step 5: Solve for x
    x = 8,946,100,485.02/126,165.87
  6. Step 6: Final answer
    x = 70,907.45

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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.