Home / 188,718.98-260,439.35-108,162.05

Finding the Fourth Proportional to 188,718.98, 260,439.35 and 108,162.05

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Solution

The fourth proportional to 188,718.98, 260,439.35 and 108,162.05 is: 149,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,718.98 : 260,439.35 = 108,162.05 : x
  2. Step 2: Convert to fraction form
    188,718.98/260,439.35 = 108,162.05/x
  3. Step 3: Cross multiply
    188,718.98x = 260,439.35 × 108,162.05
  4. Step 4: Simplify right side
    188,718.98x = 28,169,653,128.31
  5. Step 5: Solve for x
    x = 28,169,653,128.31/188,718.98
  6. Step 6: Final answer
    x = 149,267.73

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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.