Home / 131,507.64-197,286.21-42,786.52

Finding the Fourth Proportional to 131,507.64, 197,286.21 and 42,786.52

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Solution

The fourth proportional to 131,507.64, 197,286.21 and 42,786.52 is: 64,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,507.64 : 197,286.21 = 42,786.52 : x
  2. Step 2: Convert to fraction form
    131,507.64/197,286.21 = 42,786.52/x
  3. Step 3: Cross multiply
    131,507.64x = 197,286.21 × 42,786.52
  4. Step 4: Simplify right side
    131,507.64x = 8,441,190,369.89
  5. Step 5: Solve for x
    x = 8,441,190,369.89/131,507.64
  6. Step 6: Final answer
    x = 64,187.83

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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.