Home / 166,356.52-229,577.68-90,909.88

Finding the Fourth Proportional to 166,356.52, 229,577.68 and 90,909.88

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Solution

The fourth proportional to 166,356.52, 229,577.68 and 90,909.88 is: 125,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,356.52 : 229,577.68 = 90,909.88 : x
  2. Step 2: Convert to fraction form
    166,356.52/229,577.68 = 90,909.88/x
  3. Step 3: Cross multiply
    166,356.52x = 229,577.68 × 90,909.88
  4. Step 4: Simplify right side
    166,356.52x = 20,870,879,339.48
  5. Step 5: Solve for x
    x = 20,870,879,339.48/166,356.52
  6. Step 6: Final answer
    x = 125,458.74

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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.