Home / 193,971.51-267,678.12-109,088.58

Finding the Fourth Proportional to 193,971.51, 267,678.12 and 109,088.58

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Solution

The fourth proportional to 193,971.51, 267,678.12 and 109,088.58 is: 150,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,971.51 : 267,678.12 = 109,088.58 : x
  2. Step 2: Convert to fraction form
    193,971.51/267,678.12 = 109,088.58/x
  3. Step 3: Cross multiply
    193,971.51x = 267,678.12 × 109,088.58
  4. Step 4: Simplify right side
    193,971.51x = 29,200,626,007.87
  5. Step 5: Solve for x
    x = 29,200,626,007.87/193,971.51
  6. Step 6: Final answer
    x = 150,540.80

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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.