Home / 166,315.82-229,516.54-90,865.94

Finding the Fourth Proportional to 166,315.82, 229,516.54 and 90,865.94

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Solution

The fourth proportional to 166,315.82, 229,516.54 and 90,865.94 is: 125,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,315.82 : 229,516.54 = 90,865.94 : x
  2. Step 2: Convert to fraction form
    166,315.82/229,516.54 = 90,865.94/x
  3. Step 3: Cross multiply
    166,315.82x = 229,516.54 × 90,865.94
  4. Step 4: Simplify right side
    166,315.82x = 20,855,234,777.90
  5. Step 5: Solve for x
    x = 20,855,234,777.90/166,315.82
  6. Step 6: Final answer
    x = 125,395.38

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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.