Home / 251,976.69-347,727.84-138,799.44

Finding the Fourth Proportional to 251,976.69, 347,727.84 and 138,799.44

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Solution

The fourth proportional to 251,976.69, 347,727.84 and 138,799.44 is: 191,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,976.69 : 347,727.84 = 138,799.44 : x
  2. Step 2: Convert to fraction form
    251,976.69/347,727.84 = 138,799.44/x
  3. Step 3: Cross multiply
    251,976.69x = 347,727.84 × 138,799.44
  4. Step 4: Simplify right side
    251,976.69x = 48,264,429,464.41
  5. Step 5: Solve for x
    x = 48,264,429,464.41/251,976.69
  6. Step 6: Final answer
    x = 191,543.23

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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.