Home / 250,172.30-345,233.62-135,450.02

Finding the Fourth Proportional to 250,172.30, 345,233.62 and 135,450.02

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Solution

The fourth proportional to 250,172.30, 345,233.62 and 135,450.02 is: 186,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,172.30 : 345,233.62 = 135,450.02 : x
  2. Step 2: Convert to fraction form
    250,172.30/345,233.62 = 135,450.02/x
  3. Step 3: Cross multiply
    250,172.30x = 345,233.62 × 135,450.02
  4. Step 4: Simplify right side
    250,172.30x = 46,761,901,385.12
  5. Step 5: Solve for x
    x = 46,761,901,385.12/250,172.30
  6. Step 6: Final answer
    x = 186,918.78

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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.