Home / 188,914.82-260,705.86-102,876.35

Finding the Fourth Proportional to 188,914.82, 260,705.86 and 102,876.35

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Solution

The fourth proportional to 188,914.82, 260,705.86 and 102,876.35 is: 141,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,914.82 : 260,705.86 = 102,876.35 : x
  2. Step 2: Convert to fraction form
    188,914.82/260,705.86 = 102,876.35/x
  3. Step 3: Cross multiply
    188,914.82x = 260,705.86 × 102,876.35
  4. Step 4: Simplify right side
    188,914.82x = 26,820,465,739.69
  5. Step 5: Solve for x
    x = 26,820,465,739.69/188,914.82
  6. Step 6: Final answer
    x = 141,971.21

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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.