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Finding the Fourth Proportional to 127,514.96, 175,992 and 73,790.72

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Solution

The fourth proportional to 127,514.96, 175,992 and 73,790.72 is: 101,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,514.96 : 175,992 = 73,790.72 : x
  2. Step 2: Convert to fraction form
    127,514.96/175,992 = 73,790.72/x
  3. Step 3: Cross multiply
    127,514.96x = 175,992 × 73,790.72
  4. Step 4: Simplify right side
    127,514.96x = 12,986,576,394.24
  5. Step 5: Solve for x
    x = 12,986,576,394.24/127,514.96
  6. Step 6: Final answer
    x = 101,843.55

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1.5x scale

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.