Home / 185,981.44-278,975.32-80,800.42

Finding the Fourth Proportional to 185,981.44, 278,975.32 and 80,800.42

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Solution

The fourth proportional to 185,981.44, 278,975.32 and 80,800.42 is: 121,202.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,981.44 : 278,975.32 = 80,800.42 : x
  2. Step 2: Convert to fraction form
    185,981.44/278,975.32 = 80,800.42/x
  3. Step 3: Cross multiply
    185,981.44x = 278,975.32 × 80,800.42
  4. Step 4: Simplify right side
    185,981.44x = 22,541,323,025.63
  5. Step 5: Solve for x
    x = 22,541,323,025.63/185,981.44
  6. Step 6: Final answer
    x = 121,202.00

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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.