Home / 163,564.48-225,655.04-91,928

Finding the Fourth Proportional to 163,564.48, 225,655.04 and 91,928

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Solution

The fourth proportional to 163,564.48, 225,655.04 and 91,928 is: 126,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,564.48 : 225,655.04 = 91,928 : x
  2. Step 2: Convert to fraction form
    163,564.48/225,655.04 = 91,928/x
  3. Step 3: Cross multiply
    163,564.48x = 225,655.04 × 91,928
  4. Step 4: Simplify right side
    163,564.48x = 20,744,016,517.12
  5. Step 5: Solve for x
    x = 20,744,016,517.12/163,564.48
  6. Step 6: Final answer
    x = 126,824.70

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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.