Home / 126,047.60-188,893.20-69,912.44

Finding the Fourth Proportional to 126,047.60, 188,893.20 and 69,912.44

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Solution

The fourth proportional to 126,047.60, 188,893.20 and 69,912.44 is: 104,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,047.60 : 188,893.20 = 69,912.44 : x
  2. Step 2: Convert to fraction form
    126,047.60/188,893.20 = 69,912.44/x
  3. Step 3: Cross multiply
    126,047.60x = 188,893.20 × 69,912.44
  4. Step 4: Simplify right side
    126,047.60x = 13,205,984,511.41
  5. Step 5: Solve for x
    x = 13,205,984,511.41/126,047.60
  6. Step 6: Final answer
    x = 104,769.82

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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.