Home / 220,942.65-304,929.31-134,883.60

Finding the Fourth Proportional to 220,942.65, 304,929.31 and 134,883.60

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Solution

The fourth proportional to 220,942.65, 304,929.31 and 134,883.60 is: 186,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,942.65 : 304,929.31 = 134,883.60 : x
  2. Step 2: Convert to fraction form
    220,942.65/304,929.31 = 134,883.60/x
  3. Step 3: Cross multiply
    220,942.65x = 304,929.31 × 134,883.60
  4. Step 4: Simplify right side
    220,942.65x = 41,129,961,850.53
  5. Step 5: Solve for x
    x = 41,129,961,850.53/220,942.65
  6. Step 6: Final answer
    x = 186,156.73

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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.