Home / 251,627.85-347,243.76-136,909.98

Finding the Fourth Proportional to 251,627.85, 347,243.76 and 136,909.98

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Solution

The fourth proportional to 251,627.85, 347,243.76 and 136,909.98 is: 188,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,627.85 : 347,243.76 = 136,909.98 : x
  2. Step 2: Convert to fraction form
    251,627.85/347,243.76 = 136,909.98/x
  3. Step 3: Cross multiply
    251,627.85x = 347,243.76 × 136,909.98
  4. Step 4: Simplify right side
    251,627.85x = 47,541,136,236.72
  5. Step 5: Solve for x
    x = 47,541,136,236.72/251,627.85
  6. Step 6: Final answer
    x = 188,934.32

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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.