Home / 252,100.20-347,881.83-138,922.92

Finding the Fourth Proportional to 252,100.20, 347,881.83 and 138,922.92

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Solution

The fourth proportional to 252,100.20, 347,881.83 and 138,922.92 is: 191,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,100.20 : 347,881.83 = 138,922.92 : x
  2. Step 2: Convert to fraction form
    252,100.20/347,881.83 = 138,922.92/x
  3. Step 3: Cross multiply
    252,100.20x = 347,881.83 × 138,922.92
  4. Step 4: Simplify right side
    252,100.20x = 48,328,759,638.54
  5. Step 5: Solve for x
    x = 48,328,759,638.54/252,100.20
  6. Step 6: Final answer
    x = 191,704.57

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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.