Home / 188,170.26-259,674.58-103,285.50

Finding the Fourth Proportional to 188,170.26, 259,674.58 and 103,285.50

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Solution

The fourth proportional to 188,170.26, 259,674.58 and 103,285.50 is: 142,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,170.26 : 259,674.58 = 103,285.50 : x
  2. Step 2: Convert to fraction form
    188,170.26/259,674.58 = 103,285.50/x
  3. Step 3: Cross multiply
    188,170.26x = 259,674.58 × 103,285.50
  4. Step 4: Simplify right side
    188,170.26x = 26,820,618,832.59
  5. Step 5: Solve for x
    x = 26,820,618,832.59/188,170.26
  6. Step 6: Final answer
    x = 142,533.78

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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.