Home / 247,921.44-342,130.56-140,511.84

Finding the Fourth Proportional to 247,921.44, 342,130.56 and 140,511.84

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Solution

The fourth proportional to 247,921.44, 342,130.56 and 140,511.84 is: 193,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,921.44 : 342,130.56 = 140,511.84 : x
  2. Step 2: Convert to fraction form
    247,921.44/342,130.56 = 140,511.84/x
  3. Step 3: Cross multiply
    247,921.44x = 342,130.56 × 140,511.84
  4. Step 4: Simplify right side
    247,921.44x = 48,073,394,505.83
  5. Step 5: Solve for x
    x = 48,073,394,505.83/247,921.44
  6. Step 6: Final answer
    x = 193,905.76

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1.5x scale

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.