Home / 166,451.76-229,719.24-91,011.60

Finding the Fourth Proportional to 166,451.76, 229,719.24 and 91,011.60

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Solution

The fourth proportional to 166,451.76, 229,719.24 and 91,011.60 is: 125,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,451.76 : 229,719.24 = 91,011.60 : x
  2. Step 2: Convert to fraction form
    166,451.76/229,719.24 = 91,011.60/x
  3. Step 3: Cross multiply
    166,451.76x = 229,719.24 × 91,011.60
  4. Step 4: Simplify right side
    166,451.76x = 20,907,115,583.18
  5. Step 5: Solve for x
    x = 20,907,115,583.18/166,451.76
  6. Step 6: Final answer
    x = 125,604.65

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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.