Home / 107,738.92-161,632.86-32,865.76

Finding the Fourth Proportional to 107,738.92, 161,632.86 and 32,865.76

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Solution

The fourth proportional to 107,738.92, 161,632.86 and 32,865.76 is: 49,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,738.92 : 161,632.86 = 32,865.76 : x
  2. Step 2: Convert to fraction form
    107,738.92/161,632.86 = 32,865.76/x
  3. Step 3: Cross multiply
    107,738.92x = 161,632.86 × 32,865.76
  4. Step 4: Simplify right side
    107,738.92x = 5,312,186,784.87
  5. Step 5: Solve for x
    x = 5,312,186,784.87/107,738.92
  6. Step 6: Final answer
    x = 49,306.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.