Home / 166,659.74-229,991.20-91,208.06

Finding the Fourth Proportional to 166,659.74, 229,991.20 and 91,208.06

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Solution

The fourth proportional to 166,659.74, 229,991.20 and 91,208.06 is: 125,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,659.74 : 229,991.20 = 91,208.06 : x
  2. Step 2: Convert to fraction form
    166,659.74/229,991.20 = 91,208.06/x
  3. Step 3: Cross multiply
    166,659.74x = 229,991.20 × 91,208.06
  4. Step 4: Simplify right side
    166,659.74x = 20,977,051,169.07
  5. Step 5: Solve for x
    x = 20,977,051,169.07/166,659.74
  6. Step 6: Final answer
    x = 125,867.54

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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.