Home / 112,129.92-168,165.72-33,222.96

Finding the Fourth Proportional to 112,129.92, 168,165.72 and 33,222.96

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Solution

The fourth proportional to 112,129.92, 168,165.72 and 33,222.96 is: 49,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,129.92 : 168,165.72 = 33,222.96 : x
  2. Step 2: Convert to fraction form
    112,129.92/168,165.72 = 33,222.96/x
  3. Step 3: Cross multiply
    112,129.92x = 168,165.72 × 33,222.96
  4. Step 4: Simplify right side
    112,129.92x = 5,586,962,988.93
  5. Step 5: Solve for x
    x = 5,586,962,988.93/112,129.92
  6. Step 6: Final answer
    x = 49,825.80

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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.