Home / 199,743.06-299,615.76-66,622.98

Finding the Fourth Proportional to 199,743.06, 299,615.76 and 66,622.98

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Solution

The fourth proportional to 199,743.06, 299,615.76 and 66,622.98 is: 99,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,743.06 : 299,615.76 = 66,622.98 : x
  2. Step 2: Convert to fraction form
    199,743.06/299,615.76 = 66,622.98/x
  3. Step 3: Cross multiply
    199,743.06x = 299,615.76 × 66,622.98
  4. Step 4: Simplify right side
    199,743.06x = 19,961,294,786.16
  5. Step 5: Solve for x
    x = 19,961,294,786.16/199,743.06
  6. Step 6: Final answer
    x = 99,934.86

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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.