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Finding the Fourth Proportional to 195,070.68, 269,029.08 and 127,062

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Solution

The fourth proportional to 195,070.68, 269,029.08 and 127,062 is: 175,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,070.68 : 269,029.08 = 127,062 : x
  2. Step 2: Convert to fraction form
    195,070.68/269,029.08 = 127,062/x
  3. Step 3: Cross multiply
    195,070.68x = 269,029.08 × 127,062
  4. Step 4: Simplify right side
    195,070.68x = 34,183,372,962.96
  5. Step 5: Solve for x
    x = 34,183,372,962.96/195,070.68
  6. Step 6: Final answer
    x = 175,235.83

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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.