Home / 178,678.08-269,087.28-162,734.72

Finding the Fourth Proportional to 178,678.08, 269,087.28 and 162,734.72

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Solution

The fourth proportional to 178,678.08, 269,087.28 and 162,734.72 is: 245,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,678.08 : 269,087.28 = 162,734.72 : x
  2. Step 2: Convert to fraction form
    178,678.08/269,087.28 = 162,734.72/x
  3. Step 3: Cross multiply
    178,678.08x = 269,087.28 × 162,734.72
  4. Step 4: Simplify right side
    178,678.08x = 43,789,843,166.36
  5. Step 5: Solve for x
    x = 43,789,843,166.36/178,678.08
  6. Step 6: Final answer
    x = 245,076.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.