Home / 345,872.01-518,823.92-105,968.73

Finding the Fourth Proportional to 345,872.01, 518,823.92 and 105,968.73

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Solution

The fourth proportional to 345,872.01, 518,823.92 and 105,968.73 is: 158,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,872.01 : 518,823.92 = 105,968.73 : x
  2. Step 2: Convert to fraction form
    345,872.01/518,823.92 = 105,968.73/x
  3. Step 3: Cross multiply
    345,872.01x = 518,823.92 × 105,968.73
  4. Step 4: Simplify right side
    345,872.01x = 54,979,111,896.02
  5. Step 5: Solve for x
    x = 54,979,111,896.02/345,872.01
  6. Step 6: Final answer
    x = 158,957.97

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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.