Home / 110,743.20-166,139.10-35,850.60

Finding the Fourth Proportional to 110,743.20, 166,139.10 and 35,850.60

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Solution

The fourth proportional to 110,743.20, 166,139.10 and 35,850.60 is: 53,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,743.20 : 166,139.10 = 35,850.60 : x
  2. Step 2: Convert to fraction form
    110,743.20/166,139.10 = 35,850.60/x
  3. Step 3: Cross multiply
    110,743.20x = 166,139.10 × 35,850.60
  4. Step 4: Simplify right side
    110,743.20x = 5,956,186,418.46
  5. Step 5: Solve for x
    x = 5,956,186,418.46/110,743.20
  6. Step 6: Final answer
    x = 53,783.77

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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.