Home / 251,194.42-346,628.19-143,739.82

Finding the Fourth Proportional to 251,194.42, 346,628.19 and 143,739.82

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Solution

The fourth proportional to 251,194.42, 346,628.19 and 143,739.82 is: 198,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,194.42 : 346,628.19 = 143,739.82 : x
  2. Step 2: Convert to fraction form
    251,194.42/346,628.19 = 143,739.82/x
  3. Step 3: Cross multiply
    251,194.42x = 346,628.19 × 143,739.82
  4. Step 4: Simplify right side
    251,194.42x = 49,824,273,637.53
  5. Step 5: Solve for x
    x = 49,824,273,637.53/251,194.42
  6. Step 6: Final answer
    x = 198,349.44

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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.