Home / 82,198.28-113,330.36-67,075.58

Finding the Fourth Proportional to 82,198.28, 113,330.36 and 67,075.58

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Solution

The fourth proportional to 82,198.28, 113,330.36 and 67,075.58 is: 92,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,198.28 : 113,330.36 = 67,075.58 : x
  2. Step 2: Convert to fraction form
    82,198.28/113,330.36 = 67,075.58/x
  3. Step 3: Cross multiply
    82,198.28x = 113,330.36 × 67,075.58
  4. Step 4: Simplify right side
    82,198.28x = 7,601,699,628.61
  5. Step 5: Solve for x
    x = 7,601,699,628.61/82,198.28
  6. Step 6: Final answer
    x = 92,480.03

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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.