Home / 188,080.29-259,550.76-107,509.54

Finding the Fourth Proportional to 188,080.29, 259,550.76 and 107,509.54

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Solution

The fourth proportional to 188,080.29, 259,550.76 and 107,509.54 is: 148,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,080.29 : 259,550.76 = 107,509.54 : x
  2. Step 2: Convert to fraction form
    188,080.29/259,550.76 = 107,509.54/x
  3. Step 3: Cross multiply
    188,080.29x = 259,550.76 × 107,509.54
  4. Step 4: Simplify right side
    188,080.29x = 27,904,182,814.25
  5. Step 5: Solve for x
    x = 27,904,182,814.25/188,080.29
  6. Step 6: Final answer
    x = 148,363.14

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1.5x scale

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.