Home / 188,743.50-260,467.85-103,862.39

Finding the Fourth Proportional to 188,743.50, 260,467.85 and 103,862.39

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Solution

The fourth proportional to 188,743.50, 260,467.85 and 103,862.39 is: 143,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,743.50 : 260,467.85 = 103,862.39 : x
  2. Step 2: Convert to fraction form
    188,743.50/260,467.85 = 103,862.39/x
  3. Step 3: Cross multiply
    188,743.50x = 260,467.85 × 103,862.39
  4. Step 4: Simplify right side
    188,743.50x = 27,052,812,376.48
  5. Step 5: Solve for x
    x = 27,052,812,376.48/188,743.50
  6. Step 6: Final answer
    x = 143,331.09

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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.