Home / 126,010.53-189,019.44-47,109.69

Finding the Fourth Proportional to 126,010.53, 189,019.44 and 47,109.69

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Solution

The fourth proportional to 126,010.53, 189,019.44 and 47,109.69 is: 70,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,010.53 : 189,019.44 = 47,109.69 : x
  2. Step 2: Convert to fraction form
    126,010.53/189,019.44 = 47,109.69/x
  3. Step 3: Cross multiply
    126,010.53x = 189,019.44 × 47,109.69
  4. Step 4: Simplify right side
    126,010.53x = 8,904,647,222.37
  5. Step 5: Solve for x
    x = 8,904,647,222.37/126,010.53
  6. Step 6: Final answer
    x = 70,665.90

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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.