Home / 166,399.77-229,631.67-90,948.27

Finding the Fourth Proportional to 166,399.77, 229,631.67 and 90,948.27

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Solution

The fourth proportional to 166,399.77, 229,631.67 and 90,948.27 is: 125,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,399.77 : 229,631.67 = 90,948.27 : x
  2. Step 2: Convert to fraction form
    166,399.77/229,631.67 = 90,948.27/x
  3. Step 3: Cross multiply
    166,399.77x = 229,631.67 × 90,948.27
  4. Step 4: Simplify right side
    166,399.77x = 20,884,603,123.71
  5. Step 5: Solve for x
    x = 20,884,603,123.71/166,399.77
  6. Step 6: Final answer
    x = 125,508.61

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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.