Home / 131,691.12-197,568.15-42,944.73

Finding the Fourth Proportional to 131,691.12, 197,568.15 and 42,944.73

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Solution

The fourth proportional to 131,691.12, 197,568.15 and 42,944.73 is: 64,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,691.12 : 197,568.15 = 42,944.73 : x
  2. Step 2: Convert to fraction form
    131,691.12/197,568.15 = 42,944.73/x
  3. Step 3: Cross multiply
    131,691.12x = 197,568.15 × 42,944.73
  4. Step 4: Simplify right side
    131,691.12x = 8,484,510,858.35
  5. Step 5: Solve for x
    x = 8,484,510,858.35/131,691.12
  6. Step 6: Final answer
    x = 64,427.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.