Home / 131,259.96-196,930.79-47,020.84

Finding the Fourth Proportional to 131,259.96, 196,930.79 and 47,020.84

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Solution

The fourth proportional to 131,259.96, 196,930.79 and 47,020.84 is: 70,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,259.96 : 196,930.79 = 47,020.84 : x
  2. Step 2: Convert to fraction form
    131,259.96/196,930.79 = 47,020.84/x
  3. Step 3: Cross multiply
    131,259.96x = 196,930.79 × 47,020.84
  4. Step 4: Simplify right side
    131,259.96x = 9,259,851,167.66
  5. Step 5: Solve for x
    x = 9,259,851,167.66/131,259.96
  6. Step 6: Final answer
    x = 70,545.89

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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.