Home / 131,136.58-196,567.17-71,954.74

Finding the Fourth Proportional to 131,136.58, 196,567.17 and 71,954.74

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Solution

The fourth proportional to 131,136.58, 196,567.17 and 71,954.74 is: 107,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,136.58 : 196,567.17 = 71,954.74 : x
  2. Step 2: Convert to fraction form
    131,136.58/196,567.17 = 71,954.74/x
  3. Step 3: Cross multiply
    131,136.58x = 196,567.17 × 71,954.74
  4. Step 4: Simplify right side
    131,136.58x = 14,143,939,609.89
  5. Step 5: Solve for x
    x = 14,143,939,609.89/131,136.58
  6. Step 6: Final answer
    x = 107,856.55

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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.