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Finding the Fourth Proportional to 236,090, 325,804.20 and 130,106

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Solution

The fourth proportional to 236,090, 325,804.20 and 130,106 is: 179,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,090 : 325,804.20 = 130,106 : x
  2. Step 2: Convert to fraction form
    236,090/325,804.20 = 130,106/x
  3. Step 3: Cross multiply
    236,090x = 325,804.20 × 130,106
  4. Step 4: Simplify right side
    236,090x = 42,389,081,245.20
  5. Step 5: Solve for x
    x = 42,389,081,245.20/236,090
  6. Step 6: Final answer
    x = 179,546.28

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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.