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Finding the Fourth Proportional to 123,370.68, 170,259.41 and 69,636.09

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Solution

The fourth proportional to 123,370.68, 170,259.41 and 69,636.09 is: 96,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,370.68 : 170,259.41 = 69,636.09 : x
  2. Step 2: Convert to fraction form
    123,370.68/170,259.41 = 69,636.09/x
  3. Step 3: Cross multiply
    123,370.68x = 170,259.41 × 69,636.09
  4. Step 4: Simplify right side
    123,370.68x = 11,856,199,249.93
  5. Step 5: Solve for x
    x = 11,856,199,249.93/123,370.68
  6. Step 6: Final answer
    x = 96,102.24

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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.