Home / 251,669.45-347,310.25-136,954.33

Finding the Fourth Proportional to 251,669.45, 347,310.25 and 136,954.33

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Solution

The fourth proportional to 251,669.45, 347,310.25 and 136,954.33 is: 189,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,669.45 : 347,310.25 = 136,954.33 : x
  2. Step 2: Convert to fraction form
    251,669.45/347,310.25 = 136,954.33/x
  3. Step 3: Cross multiply
    251,669.45x = 347,310.25 × 136,954.33
  4. Step 4: Simplify right side
    251,669.45x = 47,565,641,380.22
  5. Step 5: Solve for x
    x = 47,565,641,380.22/251,669.45
  6. Step 6: Final answer
    x = 189,000.46

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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.