Home / 125,522.64-188,135.48-55,255.12

Finding the Fourth Proportional to 125,522.64, 188,135.48 and 55,255.12

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Solution

The fourth proportional to 125,522.64, 188,135.48 and 55,255.12 is: 82,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,522.64 : 188,135.48 = 55,255.12 : x
  2. Step 2: Convert to fraction form
    125,522.64/188,135.48 = 55,255.12/x
  3. Step 3: Cross multiply
    125,522.64x = 188,135.48 × 55,255.12
  4. Step 4: Simplify right side
    125,522.64x = 10,395,448,523.66
  5. Step 5: Solve for x
    x = 10,395,448,523.66/125,522.64
  6. Step 6: Final answer
    x = 82,817.32

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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.