Home / 252,100.13-347,898.17-138,922.88

Finding the Fourth Proportional to 252,100.13, 347,898.17 and 138,922.88

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Solution

The fourth proportional to 252,100.13, 347,898.17 and 138,922.88 is: 191,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,100.13 : 347,898.17 = 138,922.88 : x
  2. Step 2: Convert to fraction form
    252,100.13/347,898.17 = 138,922.88/x
  3. Step 3: Cross multiply
    252,100.13x = 347,898.17 × 138,922.88
  4. Step 4: Simplify right side
    252,100.13x = 48,331,014,330.95
  5. Step 5: Solve for x
    x = 48,331,014,330.95/252,100.13
  6. Step 6: Final answer
    x = 191,713.57

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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.