Home / 154,361.30-231,569.48-54,579.42

Finding the Fourth Proportional to 154,361.30, 231,569.48 and 54,579.42

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Solution

The fourth proportional to 154,361.30, 231,569.48 and 54,579.42 is: 81,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,361.30 : 231,569.48 = 54,579.42 : x
  2. Step 2: Convert to fraction form
    154,361.30/231,569.48 = 54,579.42/x
  3. Step 3: Cross multiply
    154,361.30x = 231,569.48 × 54,579.42
  4. Step 4: Simplify right side
    154,361.30x = 12,638,928,044.55
  5. Step 5: Solve for x
    x = 12,638,928,044.55/154,361.30
  6. Step 6: Final answer
    x = 81,878.87

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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.