Home / 126,584.74-174,687.02-72,135.37

Finding the Fourth Proportional to 126,584.74, 174,687.02 and 72,135.37

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Solution

The fourth proportional to 126,584.74, 174,687.02 and 72,135.37 is: 99,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,584.74 : 174,687.02 = 72,135.37 : x
  2. Step 2: Convert to fraction form
    126,584.74/174,687.02 = 72,135.37/x
  3. Step 3: Cross multiply
    126,584.74x = 174,687.02 × 72,135.37
  4. Step 4: Simplify right side
    126,584.74x = 12,601,112,821.90
  5. Step 5: Solve for x
    x = 12,601,112,821.90/126,584.74
  6. Step 6: Final answer
    x = 99,546.86

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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.