Home / 252,121.77-347,928.04-138,944.52

Finding the Fourth Proportional to 252,121.77, 347,928.04 and 138,944.52

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Solution

The fourth proportional to 252,121.77, 347,928.04 and 138,944.52 is: 191,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,121.77 : 347,928.04 = 138,944.52 : x
  2. Step 2: Convert to fraction form
    252,121.77/347,928.04 = 138,944.52/x
  3. Step 3: Cross multiply
    252,121.77x = 347,928.04 × 138,944.52
  4. Step 4: Simplify right side
    252,121.77x = 48,342,694,686.02
  5. Step 5: Solve for x
    x = 48,342,694,686.02/252,121.77
  6. Step 6: Final answer
    x = 191,743.44

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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.