Home / 166,334.70-229,542-89,853.78

Finding the Fourth Proportional to 166,334.70, 229,542 and 89,853.78

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Solution

The fourth proportional to 166,334.70, 229,542 and 89,853.78 is: 123,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,334.70 : 229,542 = 89,853.78 : x
  2. Step 2: Convert to fraction form
    166,334.70/229,542 = 89,853.78/x
  3. Step 3: Cross multiply
    166,334.70x = 229,542 × 89,853.78
  4. Step 4: Simplify right side
    166,334.70x = 20,625,216,368.76
  5. Step 5: Solve for x
    x = 20,625,216,368.76/166,334.70
  6. Step 6: Final answer
    x = 123,998.28

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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.