Home / 163,419.82-225,542.05-91,805.29

Finding the Fourth Proportional to 163,419.82, 225,542.05 and 91,805.29

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Solution

The fourth proportional to 163,419.82, 225,542.05 and 91,805.29 is: 126,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,419.82 : 225,542.05 = 91,805.29 : x
  2. Step 2: Convert to fraction form
    163,419.82/225,542.05 = 91,805.29/x
  3. Step 3: Cross multiply
    163,419.82x = 225,542.05 × 91,805.29
  4. Step 4: Simplify right side
    163,419.82x = 20,705,953,307.44
  5. Step 5: Solve for x
    x = 20,705,953,307.44/163,419.82
  6. Step 6: Final answer
    x = 126,704.05

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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.