Home / 251,697.20-347,342.18-138,519.96

Finding the Fourth Proportional to 251,697.20, 347,342.18 and 138,519.96

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Solution

The fourth proportional to 251,697.20, 347,342.18 and 138,519.96 is: 191,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,697.20 : 347,342.18 = 138,519.96 : x
  2. Step 2: Convert to fraction form
    251,697.20/347,342.18 = 138,519.96/x
  3. Step 3: Cross multiply
    251,697.20x = 347,342.18 × 138,519.96
  4. Step 4: Simplify right side
    251,697.20x = 48,113,824,879.91
  5. Step 5: Solve for x
    x = 48,113,824,879.91/251,697.20
  6. Step 6: Final answer
    x = 191,157.57

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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.