Home / 166,321.08-229,523.07-90,869.58

Finding the Fourth Proportional to 166,321.08, 229,523.07 and 90,869.58

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Solution

The fourth proportional to 166,321.08, 229,523.07 and 90,869.58 is: 125,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,321.08 : 229,523.07 = 90,869.58 : x
  2. Step 2: Convert to fraction form
    166,321.08/229,523.07 = 90,869.58/x
  3. Step 3: Cross multiply
    166,321.08x = 229,523.07 × 90,869.58
  4. Step 4: Simplify right side
    166,321.08x = 20,856,664,971.21
  5. Step 5: Solve for x
    x = 20,856,664,971.21/166,321.08
  6. Step 6: Final answer
    x = 125,400.01

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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.