Home / 188,825.34-260,584.44-102,789.91

Finding the Fourth Proportional to 188,825.34, 260,584.44 and 102,789.91

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Solution

The fourth proportional to 188,825.34, 260,584.44 and 102,789.91 is: 141,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,825.34 : 260,584.44 = 102,789.91 : x
  2. Step 2: Convert to fraction form
    188,825.34/260,584.44 = 102,789.91/x
  3. Step 3: Cross multiply
    188,825.34x = 260,584.44 × 102,789.91
  4. Step 4: Simplify right side
    188,825.34x = 26,785,451,075.27
  5. Step 5: Solve for x
    x = 26,785,451,075.27/188,825.34
  6. Step 6: Final answer
    x = 141,853.05

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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.