Home / 131,825.79-197,738.96-47,645.38

Finding the Fourth Proportional to 131,825.79, 197,738.96 and 47,645.38

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Solution

The fourth proportional to 131,825.79, 197,738.96 and 47,645.38 is: 71,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.79 : 197,738.96 = 47,645.38 : x
  2. Step 2: Convert to fraction form
    131,825.79/197,738.96 = 47,645.38/x
  3. Step 3: Cross multiply
    131,825.79x = 197,738.96 × 47,645.38
  4. Step 4: Simplify right side
    131,825.79x = 9,421,347,890.00
  5. Step 5: Solve for x
    x = 9,421,347,890.00/131,825.79
  6. Step 6: Final answer
    x = 71,468.17

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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.