Home / 131,795.90-197,825.07-72,659.42

Finding the Fourth Proportional to 131,795.90, 197,825.07 and 72,659.42

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Solution

The fourth proportional to 131,795.90, 197,825.07 and 72,659.42 is: 109,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795.90 : 197,825.07 = 72,659.42 : x
  2. Step 2: Convert to fraction form
    131,795.90/197,825.07 = 72,659.42/x
  3. Step 3: Cross multiply
    131,795.90x = 197,825.07 × 72,659.42
  4. Step 4: Simplify right side
    131,795.90x = 14,373,854,847.66
  5. Step 5: Solve for x
    x = 14,373,854,847.66/131,795.90
  6. Step 6: Final answer
    x = 109,061.47

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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.