Home / 181,275.15-271,912.83-68,929.43

Finding the Fourth Proportional to 181,275.15, 271,912.83 and 68,929.43

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Solution

The fourth proportional to 181,275.15, 271,912.83 and 68,929.43 is: 103,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,275.15 : 271,912.83 = 68,929.43 : x
  2. Step 2: Convert to fraction form
    181,275.15/271,912.83 = 68,929.43/x
  3. Step 3: Cross multiply
    181,275.15x = 271,912.83 × 68,929.43
  4. Step 4: Simplify right side
    181,275.15x = 18,742,796,036.94
  5. Step 5: Solve for x
    x = 18,742,796,036.94/181,275.15
  6. Step 6: Final answer
    x = 103,394.18

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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.