Home / 248,818.58-343,359.45-139,919.82

Finding the Fourth Proportional to 248,818.58, 343,359.45 and 139,919.82

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Solution

The fourth proportional to 248,818.58, 343,359.45 and 139,919.82 is: 193,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,818.58 : 343,359.45 = 139,919.82 : x
  2. Step 2: Convert to fraction form
    248,818.58/343,359.45 = 139,919.82/x
  3. Step 3: Cross multiply
    248,818.58x = 343,359.45 × 139,919.82
  4. Step 4: Simplify right side
    248,818.58x = 48,042,790,722.50
  5. Step 5: Solve for x
    x = 48,042,790,722.50/248,818.58
  6. Step 6: Final answer
    x = 193,083.62

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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.