Home / 131,859.82-197,795.20-38,365.57

Finding the Fourth Proportional to 131,859.82, 197,795.20 and 38,365.57

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Solution

The fourth proportional to 131,859.82, 197,795.20 and 38,365.57 is: 57,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,859.82 : 197,795.20 = 38,365.57 : x
  2. Step 2: Convert to fraction form
    131,859.82/197,795.20 = 38,365.57/x
  3. Step 3: Cross multiply
    131,859.82x = 197,795.20 × 38,365.57
  4. Step 4: Simplify right side
    131,859.82x = 7,588,525,591.26
  5. Step 5: Solve for x
    x = 7,588,525,591.26/131,859.82
  6. Step 6: Final answer
    x = 57,549.95

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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.