Home / 252,136.88-378,205.31-94,439.60

Finding the Fourth Proportional to 252,136.88, 378,205.31 and 94,439.60

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Solution

The fourth proportional to 252,136.88, 378,205.31 and 94,439.60 is: 141,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,136.88 : 378,205.31 = 94,439.60 : x
  2. Step 2: Convert to fraction form
    252,136.88/378,205.31 = 94,439.60/x
  3. Step 3: Cross multiply
    252,136.88x = 378,205.31 × 94,439.60
  4. Step 4: Simplify right side
    252,136.88x = 35,717,556,539.35
  5. Step 5: Solve for x
    x = 35,717,556,539.35/252,136.88
  6. Step 6: Final answer
    x = 141,659.39

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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.