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Finding the Fourth Proportional to 192,059.88, 265,042.46 and 107,177.40

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Solution

The fourth proportional to 192,059.88, 265,042.46 and 107,177.40 is: 147,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,059.88 : 265,042.46 = 107,177.40 : x
  2. Step 2: Convert to fraction form
    192,059.88/265,042.46 = 107,177.40/x
  3. Step 3: Cross multiply
    192,059.88x = 265,042.46 × 107,177.40
  4. Step 4: Simplify right side
    192,059.88x = 28,406,561,752.40
  5. Step 5: Solve for x
    x = 28,406,561,752.40/192,059.88
  6. Step 6: Final answer
    x = 147,904.71

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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.