Home / 166,637.52-229,959.76-91,186

Finding the Fourth Proportional to 166,637.52, 229,959.76 and 91,186

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Solution

The fourth proportional to 166,637.52, 229,959.76 and 91,186 is: 125,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,637.52 : 229,959.76 = 91,186 : x
  2. Step 2: Convert to fraction form
    166,637.52/229,959.76 = 91,186/x
  3. Step 3: Cross multiply
    166,637.52x = 229,959.76 × 91,186
  4. Step 4: Simplify right side
    166,637.52x = 20,969,110,675.36
  5. Step 5: Solve for x
    x = 20,969,110,675.36/166,637.52
  6. Step 6: Final answer
    x = 125,836.67

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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.