Home / 131,272.20-196,908.30-125,513.10

Finding the Fourth Proportional to 131,272.20, 196,908.30 and 125,513.10

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Solution

The fourth proportional to 131,272.20, 196,908.30 and 125,513.10 is: 188,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,272.20 : 196,908.30 = 125,513.10 : x
  2. Step 2: Convert to fraction form
    131,272.20/196,908.30 = 125,513.10/x
  3. Step 3: Cross multiply
    131,272.20x = 196,908.30 × 125,513.10
  4. Step 4: Simplify right side
    131,272.20x = 24,714,571,148.73
  5. Step 5: Solve for x
    x = 24,714,571,148.73/131,272.20
  6. Step 6: Final answer
    x = 188,269.65

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1.5x scale

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.