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Finding the Fourth Proportional to 188,486.88, 260,008.16 and 119,450.08

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Solution

The fourth proportional to 188,486.88, 260,008.16 and 119,450.08 is: 164,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,486.88 : 260,008.16 = 119,450.08 : x
  2. Step 2: Convert to fraction form
    188,486.88/260,008.16 = 119,450.08/x
  3. Step 3: Cross multiply
    188,486.88x = 260,008.16 × 119,450.08
  4. Step 4: Simplify right side
    188,486.88x = 31,057,995,512.65
  5. Step 5: Solve for x
    x = 31,057,995,512.65/188,486.88
  6. Step 6: Final answer
    x = 164,775.37

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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.