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Finding the Fourth Proportional to 123,455.97, 185,164.99 and 39,205.22

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Solution

The fourth proportional to 123,455.97, 185,164.99 and 39,205.22 is: 58,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,455.97 : 185,164.99 = 39,205.22 : x
  2. Step 2: Convert to fraction form
    123,455.97/185,164.99 = 39,205.22/x
  3. Step 3: Cross multiply
    123,455.97x = 185,164.99 × 39,205.22
  4. Step 4: Simplify right side
    123,455.97x = 7,259,433,145.41
  5. Step 5: Solve for x
    x = 7,259,433,145.41/123,455.97
  6. Step 6: Final answer
    x = 58,801.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.