Home / 199,481.92-299,222.04-81,152.28

Finding the Fourth Proportional to 199,481.92, 299,222.04 and 81,152.28

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Solution

The fourth proportional to 199,481.92, 299,222.04 and 81,152.28 is: 121,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,481.92 : 299,222.04 = 81,152.28 : x
  2. Step 2: Convert to fraction form
    199,481.92/299,222.04 = 81,152.28/x
  3. Step 3: Cross multiply
    199,481.92x = 299,222.04 × 81,152.28
  4. Step 4: Simplify right side
    199,481.92x = 24,282,550,772.25
  5. Step 5: Solve for x
    x = 24,282,550,772.25/199,481.92
  6. Step 6: Final answer
    x = 121,728.08

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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.