Home / 126,340.49-174,349.87-72,635.97

Finding the Fourth Proportional to 126,340.49, 174,349.87 and 72,635.97

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Solution

The fourth proportional to 126,340.49, 174,349.87 and 72,635.97 is: 100,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,340.49 : 174,349.87 = 72,635.97 : x
  2. Step 2: Convert to fraction form
    126,340.49/174,349.87 = 72,635.97/x
  3. Step 3: Cross multiply
    126,340.49x = 174,349.87 × 72,635.97
  4. Step 4: Simplify right side
    126,340.49x = 12,664,072,399.05
  5. Step 5: Solve for x
    x = 12,664,072,399.05/126,340.49
  6. Step 6: Final answer
    x = 100,237.64

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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.