Home / 154,569.45-231,811.35-54,716.49

Finding the Fourth Proportional to 154,569.45, 231,811.35 and 54,716.49

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Solution

The fourth proportional to 154,569.45, 231,811.35 and 54,716.49 is: 82,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,569.45 : 231,811.35 = 54,716.49 : x
  2. Step 2: Convert to fraction form
    154,569.45/231,811.35 = 54,716.49/x
  3. Step 3: Cross multiply
    154,569.45x = 231,811.35 × 54,716.49
  4. Step 4: Simplify right side
    154,569.45x = 12,683,903,414.16
  5. Step 5: Solve for x
    x = 12,683,903,414.16/154,569.45
  6. Step 6: Final answer
    x = 82,059.58

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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.