Home / 188,604.92-260,275.56-103,727.36

Finding the Fourth Proportional to 188,604.92, 260,275.56 and 103,727.36

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Solution

The fourth proportional to 188,604.92, 260,275.56 and 103,727.36 is: 143,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,604.92 : 260,275.56 = 103,727.36 : x
  2. Step 2: Convert to fraction form
    188,604.92/260,275.56 = 103,727.36/x
  3. Step 3: Cross multiply
    188,604.92x = 260,275.56 × 103,727.36
  4. Step 4: Simplify right side
    188,604.92x = 26,997,696,711.32
  5. Step 5: Solve for x
    x = 26,997,696,711.32/188,604.92
  6. Step 6: Final answer
    x = 143,144.18

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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.