Home / 213,044.07-319,467.69-79,829.04

Finding the Fourth Proportional to 213,044.07, 319,467.69 and 79,829.04

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Solution

The fourth proportional to 213,044.07, 319,467.69 and 79,829.04 is: 119,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,044.07 : 319,467.69 = 79,829.04 : x
  2. Step 2: Convert to fraction form
    213,044.07/319,467.69 = 79,829.04/x
  3. Step 3: Cross multiply
    213,044.07x = 319,467.69 × 79,829.04
  4. Step 4: Simplify right side
    213,044.07x = 25,502,799,003.72
  5. Step 5: Solve for x
    x = 25,502,799,003.72/213,044.07
  6. Step 6: Final answer
    x = 119,706.68

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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.