Home / 126,512.38-189,762.09-37,766.62

Finding the Fourth Proportional to 126,512.38, 189,762.09 and 37,766.62

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Solution

The fourth proportional to 126,512.38, 189,762.09 and 37,766.62 is: 56,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,512.38 : 189,762.09 = 37,766.62 : x
  2. Step 2: Convert to fraction form
    126,512.38/189,762.09 = 37,766.62/x
  3. Step 3: Cross multiply
    126,512.38x = 189,762.09 × 37,766.62
  4. Step 4: Simplify right side
    126,512.38x = 7,166,672,743.44
  5. Step 5: Solve for x
    x = 7,166,672,743.44/126,512.38
  6. Step 6: Final answer
    x = 56,648.00

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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.