Home / 111,331.20-166,996.80-107,394.60

Finding the Fourth Proportional to 111,331.20, 166,996.80 and 107,394.60

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Solution

The fourth proportional to 111,331.20, 166,996.80 and 107,394.60 is: 161,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,331.20 : 166,996.80 = 107,394.60 : x
  2. Step 2: Convert to fraction form
    111,331.20/166,996.80 = 107,394.60/x
  3. Step 3: Cross multiply
    111,331.20x = 166,996.80 × 107,394.60
  4. Step 4: Simplify right side
    111,331.20x = 17,934,554,537.28
  5. Step 5: Solve for x
    x = 17,934,554,537.28/111,331.20
  6. Step 6: Final answer
    x = 161,091.90

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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.