Home / 117,218.46-161,761.24-63,504.80

Finding the Fourth Proportional to 117,218.46, 161,761.24 and 63,504.80

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Solution

The fourth proportional to 117,218.46, 161,761.24 and 63,504.80 is: 87,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,218.46 : 161,761.24 = 63,504.80 : x
  2. Step 2: Convert to fraction form
    117,218.46/161,761.24 = 63,504.80/x
  3. Step 3: Cross multiply
    117,218.46x = 161,761.24 × 63,504.80
  4. Step 4: Simplify right side
    117,218.46x = 10,272,615,193.95
  5. Step 5: Solve for x
    x = 10,272,615,193.95/117,218.46
  6. Step 6: Final answer
    x = 87,636.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.