Home / 254,704.54-382,136.82-105,015.28

Finding the Fourth Proportional to 254,704.54, 382,136.82 and 105,015.28

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Solution

The fourth proportional to 254,704.54, 382,136.82 and 105,015.28 is: 157,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,704.54 : 382,136.82 = 105,015.28 : x
  2. Step 2: Convert to fraction form
    254,704.54/382,136.82 = 105,015.28/x
  3. Step 3: Cross multiply
    254,704.54x = 382,136.82 × 105,015.28
  4. Step 4: Simplify right side
    254,704.54x = 40,130,202,714.85
  5. Step 5: Solve for x
    x = 40,130,202,714.85/254,704.54
  6. Step 6: Final answer
    x = 157,555.90

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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.