Home / 252,003.45-347,764.61-138,826.20

Finding the Fourth Proportional to 252,003.45, 347,764.61 and 138,826.20

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Solution

The fourth proportional to 252,003.45, 347,764.61 and 138,826.20 is: 191,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,003.45 : 347,764.61 = 138,826.20 : x
  2. Step 2: Convert to fraction form
    252,003.45/347,764.61 = 138,826.20/x
  3. Step 3: Cross multiply
    252,003.45x = 347,764.61 × 138,826.20
  4. Step 4: Simplify right side
    252,003.45x = 48,278,838,214.89
  5. Step 5: Solve for x
    x = 48,278,838,214.89/252,003.45
  6. Step 6: Final answer
    x = 191,580.07

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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.