Home / 166,062.39-229,168.74-90,610.89

Finding the Fourth Proportional to 166,062.39, 229,168.74 and 90,610.89

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Solution

The fourth proportional to 166,062.39, 229,168.74 and 90,610.89 is: 125,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,062.39 : 229,168.74 = 90,610.89 : x
  2. Step 2: Convert to fraction form
    166,062.39/229,168.74 = 90,610.89/x
  3. Step 3: Cross multiply
    166,062.39x = 229,168.74 × 90,610.89
  4. Step 4: Simplify right side
    166,062.39x = 20,765,183,491.58
  5. Step 5: Solve for x
    x = 20,765,183,491.58/166,062.39
  6. Step 6: Final answer
    x = 125,044.47

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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.