Home / 234,631.37-323,706.44-154,102.55

Finding the Fourth Proportional to 234,631.37, 323,706.44 and 154,102.55

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Solution

The fourth proportional to 234,631.37, 323,706.44 and 154,102.55 is: 212,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,631.37 : 323,706.44 = 154,102.55 : x
  2. Step 2: Convert to fraction form
    234,631.37/323,706.44 = 154,102.55/x
  3. Step 3: Cross multiply
    234,631.37x = 323,706.44 × 154,102.55
  4. Step 4: Simplify right side
    234,631.37x = 49,883,987,084.91
  5. Step 5: Solve for x
    x = 49,883,987,084.91/234,631.37
  6. Step 6: Final answer
    x = 212,605.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.