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Finding the Fourth Proportional to 188,952, 260,731.08 and 108,375.36

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Solution

The fourth proportional to 188,952, 260,731.08 and 108,375.36 is: 149,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,952 : 260,731.08 = 108,375.36 : x
  2. Step 2: Convert to fraction form
    188,952/260,731.08 = 108,375.36/x
  3. Step 3: Cross multiply
    188,952x = 260,731.08 × 108,375.36
  4. Step 4: Simplify right side
    188,952x = 28,256,824,658.19
  5. Step 5: Solve for x
    x = 28,256,824,658.19/188,952
  6. Step 6: Final answer
    x = 149,544.99

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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.