Home / 110,765.20-166,147.80-57,621.10

Finding the Fourth Proportional to 110,765.20, 166,147.80 and 57,621.10

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Solution

The fourth proportional to 110,765.20, 166,147.80 and 57,621.10 is: 86,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,765.20 : 166,147.80 = 57,621.10 : x
  2. Step 2: Convert to fraction form
    110,765.20/166,147.80 = 57,621.10/x
  3. Step 3: Cross multiply
    110,765.20x = 166,147.80 × 57,621.10
  4. Step 4: Simplify right side
    110,765.20x = 9,573,618,998.58
  5. Step 5: Solve for x
    x = 9,573,618,998.58/110,765.20
  6. Step 6: Final answer
    x = 86,431.65

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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.