Home / 166,653.23-229,979.82-90,170.65

Finding the Fourth Proportional to 166,653.23, 229,979.82 and 90,170.65

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Solution

The fourth proportional to 166,653.23, 229,979.82 and 90,170.65 is: 124,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,653.23 : 229,979.82 = 90,170.65 : x
  2. Step 2: Convert to fraction form
    166,653.23/229,979.82 = 90,170.65/x
  3. Step 3: Cross multiply
    166,653.23x = 229,979.82 × 90,170.65
  4. Step 4: Simplify right side
    166,653.23x = 20,737,429,659.13
  5. Step 5: Solve for x
    x = 20,737,429,659.13/166,653.23
  6. Step 6: Final answer
    x = 124,434.61

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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.