Home / 126,722.73-174,857.88-72,997.25

Finding the Fourth Proportional to 126,722.73, 174,857.88 and 72,997.25

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Solution

The fourth proportional to 126,722.73, 174,857.88 and 72,997.25 is: 100,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,722.73 : 174,857.88 = 72,997.25 : x
  2. Step 2: Convert to fraction form
    126,722.73/174,857.88 = 72,997.25/x
  3. Step 3: Cross multiply
    126,722.73x = 174,857.88 × 72,997.25
  4. Step 4: Simplify right side
    126,722.73x = 12,764,143,943.69
  5. Step 5: Solve for x
    x = 12,764,143,943.69/126,722.73
  6. Step 6: Final answer
    x = 100,724.98

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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.