Home / 136,269.39-188,057.19-75,842.58

Finding the Fourth Proportional to 136,269.39, 188,057.19 and 75,842.58

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Solution

The fourth proportional to 136,269.39, 188,057.19 and 75,842.58 is: 104,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,269.39 : 188,057.19 = 75,842.58 : x
  2. Step 2: Convert to fraction form
    136,269.39/188,057.19 = 75,842.58/x
  3. Step 3: Cross multiply
    136,269.39x = 188,057.19 × 75,842.58
  4. Step 4: Simplify right side
    136,269.39x = 14,262,742,477.15
  5. Step 5: Solve for x
    x = 14,262,742,477.15/136,269.39
  6. Step 6: Final answer
    x = 104,665.78

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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.