Home / 166,215.52-229,378.26-90,764.02

Finding the Fourth Proportional to 166,215.52, 229,378.26 and 90,764.02

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Solution

The fourth proportional to 166,215.52, 229,378.26 and 90,764.02 is: 125,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,215.52 : 229,378.26 = 90,764.02 : x
  2. Step 2: Convert to fraction form
    166,215.52/229,378.26 = 90,764.02/x
  3. Step 3: Cross multiply
    166,215.52x = 229,378.26 × 90,764.02
  4. Step 4: Simplify right side
    166,215.52x = 20,819,292,978.21
  5. Step 5: Solve for x
    x = 20,819,292,978.21/166,215.52
  6. Step 6: Final answer
    x = 125,254.81

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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.