Home / 163,288.20-225,325.28-91,654.38

Finding the Fourth Proportional to 163,288.20, 225,325.28 and 91,654.38

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Solution

The fourth proportional to 163,288.20, 225,325.28 and 91,654.38 is: 126,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,288.20 : 225,325.28 = 91,654.38 : x
  2. Step 2: Convert to fraction form
    163,288.20/225,325.28 = 91,654.38/x
  3. Step 3: Cross multiply
    163,288.20x = 225,325.28 × 91,654.38
  4. Step 4: Simplify right side
    163,288.20x = 20,652,048,836.73
  5. Step 5: Solve for x
    x = 20,652,048,836.73/163,288.20
  6. Step 6: Final answer
    x = 126,476.06

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1.5x scale

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.