Home / 131,344.40-196,890.50-83,825.34

Finding the Fourth Proportional to 131,344.40, 196,890.50 and 83,825.34

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Solution

The fourth proportional to 131,344.40, 196,890.50 and 83,825.34 is: 125,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,344.40 : 196,890.50 = 83,825.34 : x
  2. Step 2: Convert to fraction form
    131,344.40/196,890.50 = 83,825.34/x
  3. Step 3: Cross multiply
    131,344.40x = 196,890.50 × 83,825.34
  4. Step 4: Simplify right side
    131,344.40x = 16,504,412,686.14
  5. Step 5: Solve for x
    x = 16,504,412,686.14/131,344.40
  6. Step 6: Final answer
    x = 125,657.53

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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.