Home / 188,529.33-260,172.24-103,647

Finding the Fourth Proportional to 188,529.33, 260,172.24 and 103,647

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Solution

The fourth proportional to 188,529.33, 260,172.24 and 103,647 is: 143,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,529.33 : 260,172.24 = 103,647 : x
  2. Step 2: Convert to fraction form
    188,529.33/260,172.24 = 103,647/x
  3. Step 3: Cross multiply
    188,529.33x = 260,172.24 × 103,647
  4. Step 4: Simplify right side
    188,529.33x = 26,966,072,159.28
  5. Step 5: Solve for x
    x = 26,966,072,159.28/188,529.33
  6. Step 6: Final answer
    x = 143,033.83

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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.