Home / 235,947.88-325,608.54-128,517.58

Finding the Fourth Proportional to 235,947.88, 325,608.54 and 128,517.58

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Solution

The fourth proportional to 235,947.88, 325,608.54 and 128,517.58 is: 177,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,947.88 : 325,608.54 = 128,517.58 : x
  2. Step 2: Convert to fraction form
    235,947.88/325,608.54 = 128,517.58/x
  3. Step 3: Cross multiply
    235,947.88x = 325,608.54 × 128,517.58
  4. Step 4: Simplify right side
    235,947.88x = 41,846,421,588.13
  5. Step 5: Solve for x
    x = 41,846,421,588.13/235,947.88
  6. Step 6: Final answer
    x = 177,354.51

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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.