Home / 197,778.87-272,936.14-107,134.83

Finding the Fourth Proportional to 197,778.87, 272,936.14 and 107,134.83

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Solution

The fourth proportional to 197,778.87, 272,936.14 and 107,134.83 is: 147,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,778.87 : 272,936.14 = 107,134.83 : x
  2. Step 2: Convert to fraction form
    197,778.87/272,936.14 = 107,134.83/x
  3. Step 3: Cross multiply
    197,778.87x = 272,936.14 × 107,134.83
  4. Step 4: Simplify right side
    197,778.87x = 29,240,966,691.92
  5. Step 5: Solve for x
    x = 29,240,966,691.92/197,778.87
  6. Step 6: Final answer
    x = 147,846.77

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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.