Home / 251,711.44-347,364.24-138,536.80

Finding the Fourth Proportional to 251,711.44, 347,364.24 and 138,536.80

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Solution

The fourth proportional to 251,711.44, 347,364.24 and 138,536.80 is: 191,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,711.44 : 347,364.24 = 138,536.80 : x
  2. Step 2: Convert to fraction form
    251,711.44/347,364.24 = 138,536.80/x
  3. Step 3: Cross multiply
    251,711.44x = 347,364.24 × 138,536.80
  4. Step 4: Simplify right side
    251,711.44x = 48,122,730,244.03
  5. Step 5: Solve for x
    x = 48,122,730,244.03/251,711.44
  6. Step 6: Final answer
    x = 191,182.13

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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.