Home / 252,081.76-347,880.24-138,911.80

Finding the Fourth Proportional to 252,081.76, 347,880.24 and 138,911.80

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Solution

The fourth proportional to 252,081.76, 347,880.24 and 138,911.80 is: 191,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,081.76 : 347,880.24 = 138,911.80 : x
  2. Step 2: Convert to fraction form
    252,081.76/347,880.24 = 138,911.80/x
  3. Step 3: Cross multiply
    252,081.76x = 347,880.24 × 138,911.80
  4. Step 4: Simplify right side
    252,081.76x = 48,324,670,322.83
  5. Step 5: Solve for x
    x = 48,324,670,322.83/252,081.76
  6. Step 6: Final answer
    x = 191,702.37

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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.