Home / 251,636.90-347,252.54-136,910.66

Finding the Fourth Proportional to 251,636.90, 347,252.54 and 136,910.66

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Solution

The fourth proportional to 251,636.90, 347,252.54 and 136,910.66 is: 188,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,636.90 : 347,252.54 = 136,910.66 : x
  2. Step 2: Convert to fraction form
    251,636.90/347,252.54 = 136,910.66/x
  3. Step 3: Cross multiply
    251,636.90x = 347,252.54 × 136,910.66
  4. Step 4: Simplify right side
    251,636.90x = 47,542,574,438.08
  5. Step 5: Solve for x
    x = 47,542,574,438.08/251,636.90
  6. Step 6: Final answer
    x = 188,933.24

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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.