Home / 251,682.19-347,321.48-138,504.94

Finding the Fourth Proportional to 251,682.19, 347,321.48 and 138,504.94

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Solution

The fourth proportional to 251,682.19, 347,321.48 and 138,504.94 is: 191,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,682.19 : 347,321.48 = 138,504.94 : x
  2. Step 2: Convert to fraction form
    251,682.19/347,321.48 = 138,504.94/x
  3. Step 3: Cross multiply
    251,682.19x = 347,321.48 × 138,504.94
  4. Step 4: Simplify right side
    251,682.19x = 48,105,740,748.11
  5. Step 5: Solve for x
    x = 48,105,740,748.11/251,682.19
  6. Step 6: Final answer
    x = 191,136.85

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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.