Home / 166,641.50-229,965.30-91,190

Finding the Fourth Proportional to 166,641.50, 229,965.30 and 91,190

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Solution

The fourth proportional to 166,641.50, 229,965.30 and 91,190 is: 125,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,641.50 : 229,965.30 = 91,190 : x
  2. Step 2: Convert to fraction form
    166,641.50/229,965.30 = 91,190/x
  3. Step 3: Cross multiply
    166,641.50x = 229,965.30 × 91,190
  4. Step 4: Simplify right side
    166,641.50x = 20,970,535,707
  5. Step 5: Solve for x
    x = 20,970,535,707/166,641.50
  6. Step 6: Final answer
    x = 125,842.22

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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.