Home / 126,542.08-174,619.29-69,949

Finding the Fourth Proportional to 126,542.08, 174,619.29 and 69,949

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Solution

The fourth proportional to 126,542.08, 174,619.29 and 69,949 is: 96,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,542.08 : 174,619.29 = 69,949 : x
  2. Step 2: Convert to fraction form
    126,542.08/174,619.29 = 69,949/x
  3. Step 3: Cross multiply
    126,542.08x = 174,619.29 × 69,949
  4. Step 4: Simplify right side
    126,542.08x = 12,214,444,716.21
  5. Step 5: Solve for x
    x = 12,214,444,716.21/126,542.08
  6. Step 6: Final answer
    x = 96,524.77

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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.