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Finding the Fourth Proportional to 166,260, 229,438.80 and 90,808.68

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Solution

The fourth proportional to 166,260, 229,438.80 and 90,808.68 is: 125,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,260 : 229,438.80 = 90,808.68 : x
  2. Step 2: Convert to fraction form
    166,260/229,438.80 = 90,808.68/x
  3. Step 3: Cross multiply
    166,260x = 229,438.80 × 90,808.68
  4. Step 4: Simplify right side
    166,260x = 20,835,034,568.78
  5. Step 5: Solve for x
    x = 20,835,034,568.78/166,260
  6. Step 6: Final answer
    x = 125,315.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.