Home / 210,851.04-290,974.24-115,357.80

Finding the Fourth Proportional to 210,851.04, 290,974.24 and 115,357.80

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Solution

The fourth proportional to 210,851.04, 290,974.24 and 115,357.80 is: 159,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,851.04 : 290,974.24 = 115,357.80 : x
  2. Step 2: Convert to fraction form
    210,851.04/290,974.24 = 115,357.80/x
  3. Step 3: Cross multiply
    210,851.04x = 290,974.24 × 115,357.80
  4. Step 4: Simplify right side
    210,851.04x = 33,566,148,183.07
  5. Step 5: Solve for x
    x = 33,566,148,183.07/210,851.04
  6. Step 6: Final answer
    x = 159,193.66

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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.