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Finding the Fourth Proportional to 192,052.62, 265,041.09 and 107,170.02

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Solution

The fourth proportional to 192,052.62, 265,041.09 and 107,170.02 is: 147,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,052.62 : 265,041.09 = 107,170.02 : x
  2. Step 2: Convert to fraction form
    192,052.62/265,041.09 = 107,170.02/x
  3. Step 3: Cross multiply
    192,052.62x = 265,041.09 × 107,170.02
  4. Step 4: Simplify right side
    192,052.62x = 28,404,458,916.12
  5. Step 5: Solve for x
    x = 28,404,458,916.12/192,052.62
  6. Step 6: Final answer
    x = 147,899.36

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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.