Home / 166,166.72-229,301.40-90,700.64

Finding the Fourth Proportional to 166,166.72, 229,301.40 and 90,700.64

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Solution

The fourth proportional to 166,166.72, 229,301.40 and 90,700.64 is: 125,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,166.72 : 229,301.40 = 90,700.64 : x
  2. Step 2: Convert to fraction form
    166,166.72/229,301.40 = 90,700.64/x
  3. Step 3: Cross multiply
    166,166.72x = 229,301.40 × 90,700.64
  4. Step 4: Simplify right side
    166,166.72x = 20,797,783,732.90
  5. Step 5: Solve for x
    x = 20,797,783,732.90/166,166.72
  6. Step 6: Final answer
    x = 125,162.15

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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.