Home / 105,632.20-158,156.70-82,304.20

Finding the Fourth Proportional to 105,632.20, 158,156.70 and 82,304.20

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Solution

The fourth proportional to 105,632.20, 158,156.70 and 82,304.20 is: 123,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,632.20 : 158,156.70 = 82,304.20 : x
  2. Step 2: Convert to fraction form
    105,632.20/158,156.70 = 82,304.20/x
  3. Step 3: Cross multiply
    105,632.20x = 158,156.70 × 82,304.20
  4. Step 4: Simplify right side
    105,632.20x = 13,016,960,668.14
  5. Step 5: Solve for x
    x = 13,016,960,668.14/105,632.20
  6. Step 6: Final answer
    x = 123,229.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.