Home / 252,103.42-347,901.06-138,926.26

Finding the Fourth Proportional to 252,103.42, 347,901.06 and 138,926.26

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Solution

The fourth proportional to 252,103.42, 347,901.06 and 138,926.26 is: 191,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,103.42 : 347,901.06 = 138,926.26 : x
  2. Step 2: Convert to fraction form
    252,103.42/347,901.06 = 138,926.26/x
  3. Step 3: Cross multiply
    252,103.42x = 347,901.06 × 138,926.26
  4. Step 4: Simplify right side
    252,103.42x = 48,332,593,115.84
  5. Step 5: Solve for x
    x = 48,332,593,115.84/252,103.42
  6. Step 6: Final answer
    x = 191,717.32

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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.