Home / 163,441.82-225,570.77-91,821.92

Finding the Fourth Proportional to 163,441.82, 225,570.77 and 91,821.92

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Solution

The fourth proportional to 163,441.82, 225,570.77 and 91,821.92 is: 126,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,441.82 : 225,570.77 = 91,821.92 : x
  2. Step 2: Convert to fraction form
    163,441.82/225,570.77 = 91,821.92/x
  3. Step 3: Cross multiply
    163,441.82x = 225,570.77 × 91,821.92
  4. Step 4: Simplify right side
    163,441.82x = 20,712,339,610.32
  5. Step 5: Solve for x
    x = 20,712,339,610.32/163,441.82
  6. Step 6: Final answer
    x = 126,726.07

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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.