Home / 251,634.40-347,249.10-136,908.16

Finding the Fourth Proportional to 251,634.40, 347,249.10 and 136,908.16

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Solution

The fourth proportional to 251,634.40, 347,249.10 and 136,908.16 is: 188,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,634.40 : 347,249.10 = 136,908.16 : x
  2. Step 2: Convert to fraction form
    251,634.40/347,249.10 = 136,908.16/x
  3. Step 3: Cross multiply
    251,634.40x = 347,249.10 × 136,908.16
  4. Step 4: Simplify right side
    251,634.40x = 47,541,235,342.66
  5. Step 5: Solve for x
    x = 47,541,235,342.66/251,634.40
  6. Step 6: Final answer
    x = 188,929.79

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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.