Home / 251,682.52-347,321.67-138,505.27

Finding the Fourth Proportional to 251,682.52, 347,321.67 and 138,505.27

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Solution

The fourth proportional to 251,682.52, 347,321.67 and 138,505.27 is: 191,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,682.52 : 347,321.67 = 138,505.27 : x
  2. Step 2: Convert to fraction form
    251,682.52/347,321.67 = 138,505.27/x
  3. Step 3: Cross multiply
    251,682.52x = 347,321.67 × 138,505.27
  4. Step 4: Simplify right side
    251,682.52x = 48,105,881,680.20
  5. Step 5: Solve for x
    x = 48,105,881,680.20/251,682.52
  6. Step 6: Final answer
    x = 191,137.16

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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.