Home / 122,727.56-183,796.09-69,977.12

Finding the Fourth Proportional to 122,727.56, 183,796.09 and 69,977.12

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Solution

The fourth proportional to 122,727.56, 183,796.09 and 69,977.12 is: 104,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,727.56 : 183,796.09 = 69,977.12 : x
  2. Step 2: Convert to fraction form
    122,727.56/183,796.09 = 69,977.12/x
  3. Step 3: Cross multiply
    122,727.56x = 183,796.09 × 69,977.12
  4. Step 4: Simplify right side
    122,727.56x = 12,861,519,776.59
  5. Step 5: Solve for x
    x = 12,861,519,776.59/122,727.56
  6. Step 6: Final answer
    x = 104,797.33

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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.