Home / 166,383.15-229,608.82-90,931.65

Finding the Fourth Proportional to 166,383.15, 229,608.82 and 90,931.65

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Solution

The fourth proportional to 166,383.15, 229,608.82 and 90,931.65 is: 125,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,383.15 : 229,608.82 = 90,931.65 : x
  2. Step 2: Convert to fraction form
    166,383.15/229,608.82 = 90,931.65/x
  3. Step 3: Cross multiply
    166,383.15x = 229,608.82 × 90,931.65
  4. Step 4: Simplify right side
    166,383.15x = 20,878,708,402.49
  5. Step 5: Solve for x
    x = 20,878,708,402.49/166,383.15
  6. Step 6: Final answer
    x = 125,485.71

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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.