Home / 236,159.37-325,893.44-128,731.50

Finding the Fourth Proportional to 236,159.37, 325,893.44 and 128,731.50

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Solution

The fourth proportional to 236,159.37, 325,893.44 and 128,731.50 is: 177,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,159.37 : 325,893.44 = 128,731.50 : x
  2. Step 2: Convert to fraction form
    236,159.37/325,893.44 = 128,731.50/x
  3. Step 3: Cross multiply
    236,159.37x = 325,893.44 × 128,731.50
  4. Step 4: Simplify right side
    236,159.37x = 41,952,751,693.19
  5. Step 5: Solve for x
    x = 41,952,751,693.19/236,159.37
  6. Step 6: Final answer
    x = 177,645.93

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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.