Home / 163,286.27-225,333.07-91,664.45

Finding the Fourth Proportional to 163,286.27, 225,333.07 and 91,664.45

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Solution

The fourth proportional to 163,286.27, 225,333.07 and 91,664.45 is: 126,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,286.27 : 225,333.07 = 91,664.45 : x
  2. Step 2: Convert to fraction form
    163,286.27/225,333.07 = 91,664.45/x
  3. Step 3: Cross multiply
    163,286.27x = 225,333.07 × 91,664.45
  4. Step 4: Simplify right side
    163,286.27x = 20,655,030,572.54
  5. Step 5: Solve for x
    x = 20,655,030,572.54/163,286.27
  6. Step 6: Final answer
    x = 126,495.82

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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.