Home / 188,599.55-260,304.30-108,081.05

Finding the Fourth Proportional to 188,599.55, 260,304.30 and 108,081.05

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Solution

The fourth proportional to 188,599.55, 260,304.30 and 108,081.05 is: 149,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,599.55 : 260,304.30 = 108,081.05 : x
  2. Step 2: Convert to fraction form
    188,599.55/260,304.30 = 108,081.05/x
  3. Step 3: Cross multiply
    188,599.55x = 260,304.30 × 108,081.05
  4. Step 4: Simplify right side
    188,599.55x = 28,133,960,761.99
  5. Step 5: Solve for x
    x = 28,133,960,761.99/188,599.55
  6. Step 6: Final answer
    x = 149,173.00

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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.