Home / 166,169.62-229,312.90-90,718.12

Finding the Fourth Proportional to 166,169.62, 229,312.90 and 90,718.12

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Solution

The fourth proportional to 166,169.62, 229,312.90 and 90,718.12 is: 125,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,169.62 : 229,312.90 = 90,718.12 : x
  2. Step 2: Convert to fraction form
    166,169.62/229,312.90 = 90,718.12/x
  3. Step 3: Cross multiply
    166,169.62x = 229,312.90 × 90,718.12
  4. Step 4: Simplify right side
    166,169.62x = 20,802,835,179.75
  5. Step 5: Solve for x
    x = 20,802,835,179.75/166,169.62
  6. Step 6: Final answer
    x = 125,190.36

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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.