Home / 188,129.39-259,699.53-115,544.04

Finding the Fourth Proportional to 188,129.39, 259,699.53 and 115,544.04

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Solution

The fourth proportional to 188,129.39, 259,699.53 and 115,544.04 is: 159,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,129.39 : 259,699.53 = 115,544.04 : x
  2. Step 2: Convert to fraction form
    188,129.39/259,699.53 = 115,544.04/x
  3. Step 3: Cross multiply
    188,129.39x = 259,699.53 × 115,544.04
  4. Step 4: Simplify right side
    188,129.39x = 30,006,732,341.72
  5. Step 5: Solve for x
    x = 30,006,732,341.72/188,129.39
  6. Step 6: Final answer
    x = 159,500.51

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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.