Home / 116,512.42-160,722.21-80,723.38

Finding the Fourth Proportional to 116,512.42, 160,722.21 and 80,723.38

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Solution

The fourth proportional to 116,512.42, 160,722.21 and 80,723.38 is: 111,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,512.42 : 160,722.21 = 80,723.38 : x
  2. Step 2: Convert to fraction form
    116,512.42/160,722.21 = 80,723.38/x
  3. Step 3: Cross multiply
    116,512.42x = 160,722.21 × 80,723.38
  4. Step 4: Simplify right side
    116,512.42x = 12,974,040,032.27
  5. Step 5: Solve for x
    x = 12,974,040,032.27/116,512.42
  6. Step 6: Final answer
    x = 111,353.28

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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.