Home / 131,966.60-197,820.30-117,969.80

Finding the Fourth Proportional to 131,966.60, 197,820.30 and 117,969.80

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Solution

The fourth proportional to 131,966.60, 197,820.30 and 117,969.80 is: 176,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,966.60 : 197,820.30 = 117,969.80 : x
  2. Step 2: Convert to fraction form
    131,966.60/197,820.30 = 117,969.80/x
  3. Step 3: Cross multiply
    131,966.60x = 197,820.30 × 117,969.80
  4. Step 4: Simplify right side
    131,966.60x = 23,336,821,226.94
  5. Step 5: Solve for x
    x = 23,336,821,226.94/131,966.60
  6. Step 6: Final answer
    x = 176,838.85

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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.