Home / 188,901.32-260,694.74-108,328.20

Finding the Fourth Proportional to 188,901.32, 260,694.74 and 108,328.20

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Solution

The fourth proportional to 188,901.32, 260,694.74 and 108,328.20 is: 149,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,901.32 : 260,694.74 = 108,328.20 : x
  2. Step 2: Convert to fraction form
    188,901.32/260,694.74 = 108,328.20/x
  3. Step 3: Cross multiply
    188,901.32x = 260,694.74 × 108,328.20
  4. Step 4: Simplify right side
    188,901.32x = 28,240,591,933.67
  5. Step 5: Solve for x
    x = 28,240,591,933.67/188,901.32
  6. Step 6: Final answer
    x = 149,499.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.