Home / 251,629.70-347,248.98-136,908.39

Finding the Fourth Proportional to 251,629.70, 347,248.98 and 136,908.39

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Solution

The fourth proportional to 251,629.70, 347,248.98 and 136,908.39 is: 188,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,629.70 : 347,248.98 = 136,908.39 : x
  2. Step 2: Convert to fraction form
    251,629.70/347,248.98 = 136,908.39/x
  3. Step 3: Cross multiply
    251,629.70x = 347,248.98 × 136,908.39
  4. Step 4: Simplify right side
    251,629.70x = 47,541,298,780.94
  5. Step 5: Solve for x
    x = 47,541,298,780.94/251,629.70
  6. Step 6: Final answer
    x = 188,933.58

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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.