Home / 163,313.20-225,372.54-91,693

Finding the Fourth Proportional to 163,313.20, 225,372.54 and 91,693

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Solution

The fourth proportional to 163,313.20, 225,372.54 and 91,693 is: 126,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,313.20 : 225,372.54 = 91,693 : x
  2. Step 2: Convert to fraction form
    163,313.20/225,372.54 = 91,693/x
  3. Step 3: Cross multiply
    163,313.20x = 225,372.54 × 91,693
  4. Step 4: Simplify right side
    163,313.20x = 20,665,084,310.22
  5. Step 5: Solve for x
    x = 20,665,084,310.22/163,313.20
  6. Step 6: Final answer
    x = 126,536.52

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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.