Home / 79,511.56-119,198.22-30,298.12

Finding the Fourth Proportional to 79,511.56, 119,198.22 and 30,298.12

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Solution

The fourth proportional to 79,511.56, 119,198.22 and 30,298.12 is: 45,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,511.56 : 119,198.22 = 30,298.12 : x
  2. Step 2: Convert to fraction form
    79,511.56/119,198.22 = 30,298.12/x
  3. Step 3: Cross multiply
    79,511.56x = 119,198.22 × 30,298.12
  4. Step 4: Simplify right side
    79,511.56x = 3,611,481,973.35
  5. Step 5: Solve for x
    x = 3,611,481,973.35/79,511.56
  6. Step 6: Final answer
    x = 45,420.84

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1.5x scale

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.