Home / 166,427-229,670.08-90,975.50

Finding the Fourth Proportional to 166,427, 229,670.08 and 90,975.50

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Solution

The fourth proportional to 166,427, 229,670.08 and 90,975.50 is: 125,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,427 : 229,670.08 = 90,975.50 : x
  2. Step 2: Convert to fraction form
    166,427/229,670.08 = 90,975.50/x
  3. Step 3: Cross multiply
    166,427x = 229,670.08 × 90,975.50
  4. Step 4: Simplify right side
    166,427x = 20,894,350,363.04
  5. Step 5: Solve for x
    x = 20,894,350,363.04/166,427
  6. Step 6: Final answer
    x = 125,546.64

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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.