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Finding the Fourth Proportional to 192,556.85, 265,740.71 and 107,673.89

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Solution

The fourth proportional to 192,556.85, 265,740.71 and 107,673.89 is: 148,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,556.85 : 265,740.71 = 107,673.89 : x
  2. Step 2: Convert to fraction form
    192,556.85/265,740.71 = 107,673.89/x
  3. Step 3: Cross multiply
    192,556.85x = 265,740.71 × 107,673.89
  4. Step 4: Simplify right side
    192,556.85x = 28,613,335,977.06
  5. Step 5: Solve for x
    x = 28,613,335,977.06/192,556.85
  6. Step 6: Final answer
    x = 148,596.82

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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.