Home / 188,131.96-259,621.86-107,561.26

Finding the Fourth Proportional to 188,131.96, 259,621.86 and 107,561.26

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Solution

The fourth proportional to 188,131.96, 259,621.86 and 107,561.26 is: 148,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,131.96 : 259,621.86 = 107,561.26 : x
  2. Step 2: Convert to fraction form
    188,131.96/259,621.86 = 107,561.26/x
  3. Step 3: Cross multiply
    188,131.96x = 259,621.86 × 107,561.26
  4. Step 4: Simplify right side
    188,131.96x = 27,925,254,385.14
  5. Step 5: Solve for x
    x = 27,925,254,385.14/188,131.96
  6. Step 6: Final answer
    x = 148,434.40

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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.