Home / 188,409.18-260,004.87-103,531.26

Finding the Fourth Proportional to 188,409.18, 260,004.87 and 103,531.26

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Solution

The fourth proportional to 188,409.18, 260,004.87 and 103,531.26 is: 142,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,409.18 : 260,004.87 = 103,531.26 : x
  2. Step 2: Convert to fraction form
    188,409.18/260,004.87 = 103,531.26/x
  3. Step 3: Cross multiply
    188,409.18x = 260,004.87 × 103,531.26
  4. Step 4: Simplify right side
    188,409.18x = 26,918,631,797.24
  5. Step 5: Solve for x
    x = 26,918,631,797.24/188,409.18
  6. Step 6: Final answer
    x = 142,873.25

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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.