Home / 126,515.26-189,766.40-37,769.50

Finding the Fourth Proportional to 126,515.26, 189,766.40 and 37,769.50

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Solution

The fourth proportional to 126,515.26, 189,766.40 and 37,769.50 is: 56,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,515.26 : 189,766.40 = 37,769.50 : x
  2. Step 2: Convert to fraction form
    126,515.26/189,766.40 = 37,769.50/x
  3. Step 3: Cross multiply
    126,515.26x = 189,766.40 × 37,769.50
  4. Step 4: Simplify right side
    126,515.26x = 7,167,382,044.80
  5. Step 5: Solve for x
    x = 7,167,382,044.80/126,515.26
  6. Step 6: Final answer
    x = 56,652.31

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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.