Home / 251,982.58-347,736.89-138,805.06

Finding the Fourth Proportional to 251,982.58, 347,736.89 and 138,805.06

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Solution

The fourth proportional to 251,982.58, 347,736.89 and 138,805.06 is: 191,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,982.58 : 347,736.89 = 138,805.06 : x
  2. Step 2: Convert to fraction form
    251,982.58/347,736.89 = 138,805.06/x
  3. Step 3: Cross multiply
    251,982.58x = 347,736.89 × 138,805.06
  4. Step 4: Simplify right side
    251,982.58x = 48,267,639,880.66
  5. Step 5: Solve for x
    x = 48,267,639,880.66/251,982.58
  6. Step 6: Final answer
    x = 191,551.49

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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.