Home / 131,429.55-197,144.33-75,247.95

Finding the Fourth Proportional to 131,429.55, 197,144.33 and 75,247.95

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Solution

The fourth proportional to 131,429.55, 197,144.33 and 75,247.95 is: 112,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.55 : 197,144.33 = 75,247.95 : x
  2. Step 2: Convert to fraction form
    131,429.55/197,144.33 = 75,247.95/x
  3. Step 3: Cross multiply
    131,429.55x = 197,144.33 × 75,247.95
  4. Step 4: Simplify right side
    131,429.55x = 14,834,706,310.38
  5. Step 5: Solve for x
    x = 14,834,706,310.38/131,429.55
  6. Step 6: Final answer
    x = 112,871.93

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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.