Home / 166,641.52-229,965.28-91,190

Finding the Fourth Proportional to 166,641.52, 229,965.28 and 91,190

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Solution

The fourth proportional to 166,641.52, 229,965.28 and 91,190 is: 125,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,641.52 : 229,965.28 = 91,190 : x
  2. Step 2: Convert to fraction form
    166,641.52/229,965.28 = 91,190/x
  3. Step 3: Cross multiply
    166,641.52x = 229,965.28 × 91,190
  4. Step 4: Simplify right side
    166,641.52x = 20,970,533,883.20
  5. Step 5: Solve for x
    x = 20,970,533,883.20/166,641.52
  6. Step 6: Final answer
    x = 125,842.19

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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.