Home / 178,709.36-246,702.88-103,243.28

Finding the Fourth Proportional to 178,709.36, 246,702.88 and 103,243.28

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Solution

The fourth proportional to 178,709.36, 246,702.88 and 103,243.28 is: 142,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,709.36 : 246,702.88 = 103,243.28 : x
  2. Step 2: Convert to fraction form
    178,709.36/246,702.88 = 103,243.28/x
  3. Step 3: Cross multiply
    178,709.36x = 246,702.88 × 103,243.28
  4. Step 4: Simplify right side
    178,709.36x = 25,470,414,516.65
  5. Step 5: Solve for x
    x = 25,470,414,516.65/178,709.36
  6. Step 6: Final answer
    x = 142,524.23

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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.