Home / 154,922.49-231,797.30-91,776.51

Finding the Fourth Proportional to 154,922.49, 231,797.30 and 91,776.51

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Solution

The fourth proportional to 154,922.49, 231,797.30 and 91,776.51 is: 137,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,922.49 : 231,797.30 = 91,776.51 : x
  2. Step 2: Convert to fraction form
    154,922.49/231,797.30 = 91,776.51/x
  3. Step 3: Cross multiply
    154,922.49x = 231,797.30 × 91,776.51
  4. Step 4: Simplify right side
    154,922.49x = 21,273,546,762.54
  5. Step 5: Solve for x
    x = 21,273,546,762.54/154,922.49
  6. Step 6: Final answer
    x = 137,317.36

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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.