Home / 131,321.98-197,002.41-48,209.50

Finding the Fourth Proportional to 131,321.98, 197,002.41 and 48,209.50

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Solution

The fourth proportional to 131,321.98, 197,002.41 and 48,209.50 is: 72,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,321.98 : 197,002.41 = 48,209.50 : x
  2. Step 2: Convert to fraction form
    131,321.98/197,002.41 = 48,209.50/x
  3. Step 3: Cross multiply
    131,321.98x = 197,002.41 × 48,209.50
  4. Step 4: Simplify right side
    131,321.98x = 9,497,387,684.90
  5. Step 5: Solve for x
    x = 9,497,387,684.90/131,321.98
  6. Step 6: Final answer
    x = 72,321.39

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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.