Home / 166,001.52-229,014.42-115,729.68

Finding the Fourth Proportional to 166,001.52, 229,014.42 and 115,729.68

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Solution

The fourth proportional to 166,001.52, 229,014.42 and 115,729.68 is: 159,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,001.52 : 229,014.42 = 115,729.68 : x
  2. Step 2: Convert to fraction form
    166,001.52/229,014.42 = 115,729.68/x
  3. Step 3: Cross multiply
    166,001.52x = 229,014.42 × 115,729.68
  4. Step 4: Simplify right side
    166,001.52x = 26,503,765,541.99
  5. Step 5: Solve for x
    x = 26,503,765,541.99/166,001.52
  6. Step 6: Final answer
    x = 159,659.78

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1.5x scale

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.