Home / 166,627.07-229,945.10-90,145.91

Finding the Fourth Proportional to 166,627.07, 229,945.10 and 90,145.91

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Solution

The fourth proportional to 166,627.07, 229,945.10 and 90,145.91 is: 124,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,627.07 : 229,945.10 = 90,145.91 : x
  2. Step 2: Convert to fraction form
    166,627.07/229,945.10 = 90,145.91/x
  3. Step 3: Cross multiply
    166,627.07x = 229,945.10 × 90,145.91
  4. Step 4: Simplify right side
    166,627.07x = 20,728,610,289.54
  5. Step 5: Solve for x
    x = 20,728,610,289.54/166,627.07
  6. Step 6: Final answer
    x = 124,401.22

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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.