Home / 251,677.27-347,321.93-136,963.31

Finding the Fourth Proportional to 251,677.27, 347,321.93 and 136,963.31

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Solution

The fourth proportional to 251,677.27, 347,321.93 and 136,963.31 is: 189,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,677.27 : 347,321.93 = 136,963.31 : x
  2. Step 2: Convert to fraction form
    251,677.27/347,321.93 = 136,963.31/x
  3. Step 3: Cross multiply
    251,677.27x = 347,321.93 × 136,963.31
  4. Step 4: Simplify right side
    251,677.27x = 47,570,361,168.39
  5. Step 5: Solve for x
    x = 47,570,361,168.39/251,677.27
  6. Step 6: Final answer
    x = 189,013.34

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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.