Home / 166,306.64-229,502.77-90,855.68

Finding the Fourth Proportional to 166,306.64, 229,502.77 and 90,855.68

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Solution

The fourth proportional to 166,306.64, 229,502.77 and 90,855.68 is: 125,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,306.64 : 229,502.77 = 90,855.68 : x
  2. Step 2: Convert to fraction form
    166,306.64/229,502.77 = 90,855.68/x
  3. Step 3: Cross multiply
    166,306.64x = 229,502.77 × 90,855.68
  4. Step 4: Simplify right side
    166,306.64x = 20,851,628,855.58
  5. Step 5: Solve for x
    x = 20,851,628,855.58/166,306.64
  6. Step 6: Final answer
    x = 125,380.62

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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.