Home / 251,630.19-347,249.67-136,908.89

Finding the Fourth Proportional to 251,630.19, 347,249.67 and 136,908.89

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Solution

The fourth proportional to 251,630.19, 347,249.67 and 136,908.89 is: 188,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,630.19 : 347,249.67 = 136,908.89 : x
  2. Step 2: Convert to fraction form
    251,630.19/347,249.67 = 136,908.89/x
  3. Step 3: Cross multiply
    251,630.19x = 347,249.67 × 136,908.89
  4. Step 4: Simplify right side
    251,630.19x = 47,541,566,872.57
  5. Step 5: Solve for x
    x = 47,541,566,872.57/251,630.19
  6. Step 6: Final answer
    x = 188,934.27

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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.