Home / 188,918.79-260,705.37-107,246.34

Finding the Fourth Proportional to 188,918.79, 260,705.37 and 107,246.34

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Solution

The fourth proportional to 188,918.79, 260,705.37 and 107,246.34 is: 147,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,918.79 : 260,705.37 = 107,246.34 : x
  2. Step 2: Convert to fraction form
    188,918.79/260,705.37 = 107,246.34/x
  3. Step 3: Cross multiply
    188,918.79x = 260,705.37 × 107,246.34
  4. Step 4: Simplify right side
    188,918.79x = 27,959,696,750.85
  5. Step 5: Solve for x
    x = 27,959,696,750.85/188,918.79
  6. Step 6: Final answer
    x = 147,998.50

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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.