Home / 236,112.08-325,825.19-128,679.81

Finding the Fourth Proportional to 236,112.08, 325,825.19 and 128,679.81

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Solution

The fourth proportional to 236,112.08, 325,825.19 and 128,679.81 is: 177,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,112.08 : 325,825.19 = 128,679.81 : x
  2. Step 2: Convert to fraction form
    236,112.08/325,825.19 = 128,679.81/x
  3. Step 3: Cross multiply
    236,112.08x = 325,825.19 × 128,679.81
  4. Step 4: Simplify right side
    236,112.08x = 41,927,122,899.01
  5. Step 5: Solve for x
    x = 41,927,122,899.01/236,112.08
  6. Step 6: Final answer
    x = 177,572.97

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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.