Home / 236,040.63-325,739.79-128,610.66

Finding the Fourth Proportional to 236,040.63, 325,739.79 and 128,610.66

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Solution

The fourth proportional to 236,040.63, 325,739.79 and 128,610.66 is: 177,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,040.63 : 325,739.79 = 128,610.66 : x
  2. Step 2: Convert to fraction form
    236,040.63/325,739.79 = 128,610.66/x
  3. Step 3: Cross multiply
    236,040.63x = 325,739.79 × 128,610.66
  4. Step 4: Simplify right side
    236,040.63x = 41,893,609,380.16
  5. Step 5: Solve for x
    x = 41,893,609,380.16/236,040.63
  6. Step 6: Final answer
    x = 177,484.74

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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.