Home / 126,149.67-189,198.32-37,382.31

Finding the Fourth Proportional to 126,149.67, 189,198.32 and 37,382.31

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Solution

The fourth proportional to 126,149.67, 189,198.32 and 37,382.31 is: 56,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,149.67 : 189,198.32 = 37,382.31 : x
  2. Step 2: Convert to fraction form
    126,149.67/189,198.32 = 37,382.31/x
  3. Step 3: Cross multiply
    126,149.67x = 189,198.32 × 37,382.31
  4. Step 4: Simplify right side
    126,149.67x = 7,072,670,062.81
  5. Step 5: Solve for x
    x = 7,072,670,062.81/126,149.67
  6. Step 6: Final answer
    x = 56,065.70

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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.