Home / 188,545.26-260,185.74-103,661.64

Finding the Fourth Proportional to 188,545.26, 260,185.74 and 103,661.64

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Solution

The fourth proportional to 188,545.26, 260,185.74 and 103,661.64 is: 143,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,545.26 : 260,185.74 = 103,661.64 : x
  2. Step 2: Convert to fraction form
    188,545.26/260,185.74 = 103,661.64/x
  3. Step 3: Cross multiply
    188,545.26x = 260,185.74 × 103,661.64
  4. Step 4: Simplify right side
    188,545.26x = 26,971,280,513.01
  5. Step 5: Solve for x
    x = 26,971,280,513.01/188,545.26
  6. Step 6: Final answer
    x = 143,049.37

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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.