Home / 166,521.60-229,799.30-90,040.16

Finding the Fourth Proportional to 166,521.60, 229,799.30 and 90,040.16

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Solution

The fourth proportional to 166,521.60, 229,799.30 and 90,040.16 is: 124,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,521.60 : 229,799.30 = 90,040.16 : x
  2. Step 2: Convert to fraction form
    166,521.60/229,799.30 = 90,040.16/x
  3. Step 3: Cross multiply
    166,521.60x = 229,799.30 × 90,040.16
  4. Step 4: Simplify right side
    166,521.60x = 20,691,164,140.69
  5. Step 5: Solve for x
    x = 20,691,164,140.69/166,521.60
  6. Step 6: Final answer
    x = 124,255.14

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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.