Home / 166,161.24-229,298.94-90,711

Finding the Fourth Proportional to 166,161.24, 229,298.94 and 90,711

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Solution

The fourth proportional to 166,161.24, 229,298.94 and 90,711 is: 125,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,161.24 : 229,298.94 = 90,711 : x
  2. Step 2: Convert to fraction form
    166,161.24/229,298.94 = 90,711/x
  3. Step 3: Cross multiply
    166,161.24x = 229,298.94 × 90,711
  4. Step 4: Simplify right side
    166,161.24x = 20,799,936,146.34
  5. Step 5: Solve for x
    x = 20,799,936,146.34/166,161.24
  6. Step 6: Final answer
    x = 125,179.23

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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.