Home / 236,181.88-325,918.92-128,741.32

Finding the Fourth Proportional to 236,181.88, 325,918.92 and 128,741.32

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Solution

The fourth proportional to 236,181.88, 325,918.92 and 128,741.32 is: 177,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,181.88 : 325,918.92 = 128,741.32 : x
  2. Step 2: Convert to fraction form
    236,181.88/325,918.92 = 128,741.32/x
  3. Step 3: Cross multiply
    236,181.88x = 325,918.92 × 128,741.32
  4. Step 4: Simplify right side
    236,181.88x = 41,959,231,973.77
  5. Step 5: Solve for x
    x = 41,959,231,973.77/236,181.88
  6. Step 6: Final answer
    x = 177,656.44

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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.