Home / 199,418.07-299,062.40-66,262.58

Finding the Fourth Proportional to 199,418.07, 299,062.40 and 66,262.58

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Solution

The fourth proportional to 199,418.07, 299,062.40 and 66,262.58 is: 99,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,418.07 : 299,062.40 = 66,262.58 : x
  2. Step 2: Convert to fraction form
    199,418.07/299,062.40 = 66,262.58/x
  3. Step 3: Cross multiply
    199,418.07x = 299,062.40 × 66,262.58
  4. Step 4: Simplify right side
    199,418.07x = 19,816,644,378.37
  5. Step 5: Solve for x
    x = 19,816,644,378.37/199,418.07
  6. Step 6: Final answer
    x = 99,372.36

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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.