Home / 131,571.30-197,358.76-42,825.28

Finding the Fourth Proportional to 131,571.30, 197,358.76 and 42,825.28

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Solution

The fourth proportional to 131,571.30, 197,358.76 and 42,825.28 is: 64,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,571.30 : 197,358.76 = 42,825.28 : x
  2. Step 2: Convert to fraction form
    131,571.30/197,358.76 = 42,825.28/x
  3. Step 3: Cross multiply
    131,571.30x = 197,358.76 × 42,825.28
  4. Step 4: Simplify right side
    131,571.30x = 8,451,944,157.45
  5. Step 5: Solve for x
    x = 8,451,944,157.45/131,571.30
  6. Step 6: Final answer
    x = 64,238.51

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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.