Home / 166,187.20-229,347.12-90,736

Finding the Fourth Proportional to 166,187.20, 229,347.12 and 90,736

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Solution

The fourth proportional to 166,187.20, 229,347.12 and 90,736 is: 125,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,187.20 : 229,347.12 = 90,736 : x
  2. Step 2: Convert to fraction form
    166,187.20/229,347.12 = 90,736/x
  3. Step 3: Cross multiply
    166,187.20x = 229,347.12 × 90,736
  4. Step 4: Simplify right side
    166,187.20x = 20,810,040,280.32
  5. Step 5: Solve for x
    x = 20,810,040,280.32/166,187.20
  6. Step 6: Final answer
    x = 125,220.48

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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.