Home / 166,799.29-230,183.11-90,318.42

Finding the Fourth Proportional to 166,799.29, 230,183.11 and 90,318.42

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Solution

The fourth proportional to 166,799.29, 230,183.11 and 90,318.42 is: 124,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,799.29 : 230,183.11 = 90,318.42 : x
  2. Step 2: Convert to fraction form
    166,799.29/230,183.11 = 90,318.42/x
  3. Step 3: Cross multiply
    166,799.29x = 230,183.11 × 90,318.42
  4. Step 4: Simplify right side
    166,799.29x = 20,789,774,354.29
  5. Step 5: Solve for x
    x = 20,789,774,354.29/166,799.29
  6. Step 6: Final answer
    x = 124,639.47

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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.