Home / 166,179.69-229,327.07-90,727.65

Finding the Fourth Proportional to 166,179.69, 229,327.07 and 90,727.65

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Solution

The fourth proportional to 166,179.69, 229,327.07 and 90,727.65 is: 125,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,179.69 : 229,327.07 = 90,727.65 : x
  2. Step 2: Convert to fraction form
    166,179.69/229,327.07 = 90,727.65/x
  3. Step 3: Cross multiply
    166,179.69x = 229,327.07 × 90,727.65
  4. Step 4: Simplify right side
    166,179.69x = 20,806,305,688.85
  5. Step 5: Solve for x
    x = 20,806,305,688.85/166,179.69
  6. Step 6: Final answer
    x = 125,203.66

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1.5x scale

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.