Home / 248,521.92-372,222.09-115,121.94

Finding the Fourth Proportional to 248,521.92, 372,222.09 and 115,121.94

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Solution

The fourth proportional to 248,521.92, 372,222.09 and 115,121.94 is: 172,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,521.92 : 372,222.09 = 115,121.94 : x
  2. Step 2: Convert to fraction form
    248,521.92/372,222.09 = 115,121.94/x
  3. Step 3: Cross multiply
    248,521.92x = 372,222.09 × 115,121.94
  4. Step 4: Simplify right side
    248,521.92x = 42,850,929,111.65
  5. Step 5: Solve for x
    x = 42,850,929,111.65/248,521.92
  6. Step 6: Final answer
    x = 172,423.14

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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.