Home / 192,143.10-265,146.48-107,265.54

Finding the Fourth Proportional to 192,143.10, 265,146.48 and 107,265.54

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Solution

The fourth proportional to 192,143.10, 265,146.48 and 107,265.54 is: 148,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,143.10 : 265,146.48 = 107,265.54 : x
  2. Step 2: Convert to fraction form
    192,143.10/265,146.48 = 107,265.54/x
  3. Step 3: Cross multiply
    192,143.10x = 265,146.48 × 107,265.54
  4. Step 4: Simplify right side
    192,143.10x = 28,441,080,356.30
  5. Step 5: Solve for x
    x = 28,441,080,356.30/192,143.10
  6. Step 6: Final answer
    x = 148,020.31

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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.