Home / 247,858.05-342,046.28-134,680.80

Finding the Fourth Proportional to 247,858.05, 342,046.28 and 134,680.80

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Solution

The fourth proportional to 247,858.05, 342,046.28 and 134,680.80 is: 185,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,858.05 : 342,046.28 = 134,680.80 : x
  2. Step 2: Convert to fraction form
    247,858.05/342,046.28 = 134,680.80/x
  3. Step 3: Cross multiply
    247,858.05x = 342,046.28 × 134,680.80
  4. Step 4: Simplify right side
    247,858.05x = 46,067,066,627.42
  5. Step 5: Solve for x
    x = 46,067,066,627.42/247,858.05
  6. Step 6: Final answer
    x = 185,860.68

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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.