Home / 251,969.07-347,717.33-138,791.82

Finding the Fourth Proportional to 251,969.07, 347,717.33 and 138,791.82

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Solution

The fourth proportional to 251,969.07, 347,717.33 and 138,791.82 is: 191,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,969.07 : 347,717.33 = 138,791.82 : x
  2. Step 2: Convert to fraction form
    251,969.07/347,717.33 = 138,791.82/x
  3. Step 3: Cross multiply
    251,969.07x = 347,717.33 × 138,791.82
  4. Step 4: Simplify right side
    251,969.07x = 48,260,321,423.22
  5. Step 5: Solve for x
    x = 48,260,321,423.22/251,969.07
  6. Step 6: Final answer
    x = 191,532.72

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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.