Home / 250,103.03-345,175.05-142,648.43

Finding the Fourth Proportional to 250,103.03, 345,175.05 and 142,648.43

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Solution

The fourth proportional to 250,103.03, 345,175.05 and 142,648.43 is: 196,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,103.03 : 345,175.05 = 142,648.43 : x
  2. Step 2: Convert to fraction form
    250,103.03/345,175.05 = 142,648.43/x
  3. Step 3: Cross multiply
    250,103.03x = 345,175.05 × 142,648.43
  4. Step 4: Simplify right side
    250,103.03x = 49,238,678,957.67
  5. Step 5: Solve for x
    x = 49,238,678,957.67/250,103.03
  6. Step 6: Final answer
    x = 196,873.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.