Home / 254,915.44-382,424.20-142,755.16

Finding the Fourth Proportional to 254,915.44, 382,424.20 and 142,755.16

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Solution

The fourth proportional to 254,915.44, 382,424.20 and 142,755.16 is: 214,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,915.44 : 382,424.20 = 142,755.16 : x
  2. Step 2: Convert to fraction form
    254,915.44/382,424.20 = 142,755.16/x
  3. Step 3: Cross multiply
    254,915.44x = 382,424.20 × 142,755.16
  4. Step 4: Simplify right side
    254,915.44x = 54,593,027,858.87
  5. Step 5: Solve for x
    x = 54,593,027,858.87/254,915.44
  6. Step 6: Final answer
    x = 214,161.32

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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.