Home / 131,468.20-197,202.30-108,140.20

Finding the Fourth Proportional to 131,468.20, 197,202.30 and 108,140.20

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Solution

The fourth proportional to 131,468.20, 197,202.30 and 108,140.20 is: 162,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,468.20 : 197,202.30 = 108,140.20 : x
  2. Step 2: Convert to fraction form
    131,468.20/197,202.30 = 108,140.20/x
  3. Step 3: Cross multiply
    131,468.20x = 197,202.30 × 108,140.20
  4. Step 4: Simplify right side
    131,468.20x = 21,325,496,162.46
  5. Step 5: Solve for x
    x = 21,325,496,162.46/131,468.20
  6. Step 6: Final answer
    x = 162,210.30

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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.