Home / 126,014.54-189,015.53-47,122.97

Finding the Fourth Proportional to 126,014.54, 189,015.53 and 47,122.97

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Solution

The fourth proportional to 126,014.54, 189,015.53 and 47,122.97 is: 70,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,014.54 : 189,015.53 = 47,122.97 : x
  2. Step 2: Convert to fraction form
    126,014.54/189,015.53 = 47,122.97/x
  3. Step 3: Cross multiply
    126,014.54x = 189,015.53 × 47,122.97
  4. Step 4: Simplify right side
    126,014.54x = 8,906,971,969.03
  5. Step 5: Solve for x
    x = 8,906,971,969.03/126,014.54
  6. Step 6: Final answer
    x = 70,682.10

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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.