Home / 235,939.02-325,584.63-128,508.54

Finding the Fourth Proportional to 235,939.02, 325,584.63 and 128,508.54

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Solution

The fourth proportional to 235,939.02, 325,584.63 and 128,508.54 is: 177,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,939.02 : 325,584.63 = 128,508.54 : x
  2. Step 2: Convert to fraction form
    235,939.02/325,584.63 = 128,508.54/x
  3. Step 3: Cross multiply
    235,939.02x = 325,584.63 × 128,508.54
  4. Step 4: Simplify right side
    235,939.02x = 41,840,405,447.74
  5. Step 5: Solve for x
    x = 41,840,405,447.74/235,939.02
  6. Step 6: Final answer
    x = 177,335.68

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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.