Home / 198,075.36-273,344.13-107,431.30

Finding the Fourth Proportional to 198,075.36, 273,344.13 and 107,431.30

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Solution

The fourth proportional to 198,075.36, 273,344.13 and 107,431.30 is: 148,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,075.36 : 273,344.13 = 107,431.30 : x
  2. Step 2: Convert to fraction form
    198,075.36/273,344.13 = 107,431.30/x
  3. Step 3: Cross multiply
    198,075.36x = 273,344.13 × 107,431.30
  4. Step 4: Simplify right side
    198,075.36x = 29,365,715,233.27
  5. Step 5: Solve for x
    x = 29,365,715,233.27/198,075.36
  6. Step 6: Final answer
    x = 148,255.27

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1.5x scale

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.