Home / 154,311.43-231,485.64-54,451

Finding the Fourth Proportional to 154,311.43, 231,485.64 and 54,451

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Solution

The fourth proportional to 154,311.43, 231,485.64 and 54,451 is: 81,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,311.43 : 231,485.64 = 54,451 : x
  2. Step 2: Convert to fraction form
    154,311.43/231,485.64 = 54,451/x
  3. Step 3: Cross multiply
    154,311.43x = 231,485.64 × 54,451
  4. Step 4: Simplify right side
    154,311.43x = 12,604,624,583.64
  5. Step 5: Solve for x
    x = 12,604,624,583.64/154,311.43
  6. Step 6: Final answer
    x = 81,683.03

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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.