Home / 236,219.69-325,984.65-128,791.52

Finding the Fourth Proportional to 236,219.69, 325,984.65 and 128,791.52

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Solution

The fourth proportional to 236,219.69, 325,984.65 and 128,791.52 is: 177,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,219.69 : 325,984.65 = 128,791.52 : x
  2. Step 2: Convert to fraction form
    236,219.69/325,984.65 = 128,791.52/x
  3. Step 3: Cross multiply
    236,219.69x = 325,984.65 × 128,791.52
  4. Step 4: Simplify right side
    236,219.69x = 41,984,058,404.17
  5. Step 5: Solve for x
    x = 41,984,058,404.17/236,219.69
  6. Step 6: Final answer
    x = 177,733.10

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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.