Home / 131,262.98-196,845.21-103,509.95

Finding the Fourth Proportional to 131,262.98, 196,845.21 and 103,509.95

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Solution

The fourth proportional to 131,262.98, 196,845.21 and 103,509.95 is: 155,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,262.98 : 196,845.21 = 103,509.95 : x
  2. Step 2: Convert to fraction form
    131,262.98/196,845.21 = 103,509.95/x
  3. Step 3: Cross multiply
    131,262.98x = 196,845.21 × 103,509.95
  4. Step 4: Simplify right side
    131,262.98x = 20,375,436,860.61
  5. Step 5: Solve for x
    x = 20,375,436,860.61/131,262.98
  6. Step 6: Final answer
    x = 155,226.08

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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.