Home / 205,588.60-307,922.10-122,644.60

Finding the Fourth Proportional to 205,588.60, 307,922.10 and 122,644.60

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Solution

The fourth proportional to 205,588.60, 307,922.10 and 122,644.60 is: 183,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,588.60 : 307,922.10 = 122,644.60 : x
  2. Step 2: Convert to fraction form
    205,588.60/307,922.10 = 122,644.60/x
  3. Step 3: Cross multiply
    205,588.60x = 307,922.10 × 122,644.60
  4. Step 4: Simplify right side
    205,588.60x = 37,764,982,785.66
  5. Step 5: Solve for x
    x = 37,764,982,785.66/205,588.60
  6. Step 6: Final answer
    x = 183,692.01

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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.