Home / 235,917.37-325,569.69-128,487.33

Finding the Fourth Proportional to 235,917.37, 325,569.69 and 128,487.33

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Solution

The fourth proportional to 235,917.37, 325,569.69 and 128,487.33 is: 177,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,917.37 : 325,569.69 = 128,487.33 : x
  2. Step 2: Convert to fraction form
    235,917.37/325,569.69 = 128,487.33/x
  3. Step 3: Cross multiply
    235,917.37x = 325,569.69 × 128,487.33
  4. Step 4: Simplify right side
    235,917.37x = 41,831,579,004.21
  5. Step 5: Solve for x
    x = 41,831,579,004.21/235,917.37
  6. Step 6: Final answer
    x = 177,314.53

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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.