Home / 174,540.40-261,940.20-69,434.80

Finding the Fourth Proportional to 174,540.40, 261,940.20 and 69,434.80

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Solution

The fourth proportional to 174,540.40, 261,940.20 and 69,434.80 is: 104,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,540.40 : 261,940.20 = 69,434.80 : x
  2. Step 2: Convert to fraction form
    174,540.40/261,940.20 = 69,434.80/x
  3. Step 3: Cross multiply
    174,540.40x = 261,940.20 × 69,434.80
  4. Step 4: Simplify right side
    174,540.40x = 18,187,765,398.96
  5. Step 5: Solve for x
    x = 18,187,765,398.96/174,540.40
  6. Step 6: Final answer
    x = 104,203.76

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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.