Home / 216,075.24-298,198.80-120,600.54

Finding the Fourth Proportional to 216,075.24, 298,198.80 and 120,600.54

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Solution

The fourth proportional to 216,075.24, 298,198.80 and 120,600.54 is: 166,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,075.24 : 298,198.80 = 120,600.54 : x
  2. Step 2: Convert to fraction form
    216,075.24/298,198.80 = 120,600.54/x
  3. Step 3: Cross multiply
    216,075.24x = 298,198.80 × 120,600.54
  4. Step 4: Simplify right side
    216,075.24x = 35,962,936,307.35
  5. Step 5: Solve for x
    x = 35,962,936,307.35/216,075.24
  6. Step 6: Final answer
    x = 166,437.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.