Home / 154,540.80-231,837.30-47,900.25

Finding the Fourth Proportional to 154,540.80, 231,837.30 and 47,900.25

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Solution

The fourth proportional to 154,540.80, 231,837.30 and 47,900.25 is: 71,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,540.80 : 231,837.30 = 47,900.25 : x
  2. Step 2: Convert to fraction form
    154,540.80/231,837.30 = 47,900.25/x
  3. Step 3: Cross multiply
    154,540.80x = 231,837.30 × 47,900.25
  4. Step 4: Simplify right side
    154,540.80x = 11,105,064,629.33
  5. Step 5: Solve for x
    x = 11,105,064,629.33/154,540.80
  6. Step 6: Final answer
    x = 71,858.46

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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.