Home / 122,144.32-182,998.99-74,736.24

Finding the Fourth Proportional to 122,144.32, 182,998.99 and 74,736.24

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Solution

The fourth proportional to 122,144.32, 182,998.99 and 74,736.24 is: 111,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,144.32 : 182,998.99 = 74,736.24 : x
  2. Step 2: Convert to fraction form
    122,144.32/182,998.99 = 74,736.24/x
  3. Step 3: Cross multiply
    122,144.32x = 182,998.99 × 74,736.24
  4. Step 4: Simplify right side
    122,144.32x = 13,676,656,436.40
  5. Step 5: Solve for x
    x = 13,676,656,436.40/122,144.32
  6. Step 6: Final answer
    x = 111,971.28

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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.