Home / 199,075.78-298,616.40-132,037.39

Finding the Fourth Proportional to 199,075.78, 298,616.40 and 132,037.39

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Solution

The fourth proportional to 199,075.78, 298,616.40 and 132,037.39 is: 198,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,075.78 : 298,616.40 = 132,037.39 : x
  2. Step 2: Convert to fraction form
    199,075.78/298,616.40 = 132,037.39/x
  3. Step 3: Cross multiply
    199,075.78x = 298,616.40 × 132,037.39
  4. Step 4: Simplify right side
    199,075.78x = 39,428,530,069.11
  5. Step 5: Solve for x
    x = 39,428,530,069.11/199,075.78
  6. Step 6: Final answer
    x = 198,057.90

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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.