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Finding the Fourth Proportional to 188,934.80, 260,728 and 104,050

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Solution

The fourth proportional to 188,934.80, 260,728 and 104,050 is: 143,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,934.80 : 260,728 = 104,050 : x
  2. Step 2: Convert to fraction form
    188,934.80/260,728 = 104,050/x
  3. Step 3: Cross multiply
    188,934.80x = 260,728 × 104,050
  4. Step 4: Simplify right side
    188,934.80x = 27,128,748,400
  5. Step 5: Solve for x
    x = 27,128,748,400/188,934.80
  6. Step 6: Final answer
    x = 143,587.89

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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.