Home / 251,682.18-347,321.46-138,504.93

Finding the Fourth Proportional to 251,682.18, 347,321.46 and 138,504.93

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Solution

The fourth proportional to 251,682.18, 347,321.46 and 138,504.93 is: 191,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,682.18 : 347,321.46 = 138,504.93 : x
  2. Step 2: Convert to fraction form
    251,682.18/347,321.46 = 138,504.93/x
  3. Step 3: Cross multiply
    251,682.18x = 347,321.46 × 138,504.93
  4. Step 4: Simplify right side
    251,682.18x = 48,105,734,504.80
  5. Step 5: Solve for x
    x = 48,105,734,504.80/251,682.18
  6. Step 6: Final answer
    x = 191,136.83

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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.