Home / 188,037.05-259,486.67-103,153.37

Finding the Fourth Proportional to 188,037.05, 259,486.67 and 103,153.37

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Solution

The fourth proportional to 188,037.05, 259,486.67 and 103,153.37 is: 142,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,037.05 : 259,486.67 = 103,153.37 : x
  2. Step 2: Convert to fraction form
    188,037.05/259,486.67 = 103,153.37/x
  3. Step 3: Cross multiply
    188,037.05x = 259,486.67 × 103,153.37
  4. Step 4: Simplify right side
    188,037.05x = 26,766,923,441.03
  5. Step 5: Solve for x
    x = 26,766,923,441.03/188,037.05
  6. Step 6: Final answer
    x = 142,349.20

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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.