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Finding the Fourth Proportional to 188,895, 260,675.10 and 104,011.86

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Solution

The fourth proportional to 188,895, 260,675.10 and 104,011.86 is: 143,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,895 : 260,675.10 = 104,011.86 : x
  2. Step 2: Convert to fraction form
    188,895/260,675.10 = 104,011.86/x
  3. Step 3: Cross multiply
    188,895x = 260,675.10 × 104,011.86
  4. Step 4: Simplify right side
    188,895x = 27,113,302,006.69
  5. Step 5: Solve for x
    x = 27,113,302,006.69/188,895
  6. Step 6: Final answer
    x = 143,536.37

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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.