Home / 199,862.63-275,814.03-109,222.41

Finding the Fourth Proportional to 199,862.63, 275,814.03 and 109,222.41

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Solution

The fourth proportional to 199,862.63, 275,814.03 and 109,222.41 is: 150,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,862.63 : 275,814.03 = 109,222.41 : x
  2. Step 2: Convert to fraction form
    199,862.63/275,814.03 = 109,222.41/x
  3. Step 3: Cross multiply
    199,862.63x = 275,814.03 × 109,222.41
  4. Step 4: Simplify right side
    199,862.63x = 30,125,074,512.30
  5. Step 5: Solve for x
    x = 30,125,074,512.30/199,862.63
  6. Step 6: Final answer
    x = 150,728.90

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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.