Home / 129,865.45-194,797.15-69,922.01

Finding the Fourth Proportional to 129,865.45, 194,797.15 and 69,922.01

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Solution

The fourth proportional to 129,865.45, 194,797.15 and 69,922.01 is: 104,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,865.45 : 194,797.15 = 69,922.01 : x
  2. Step 2: Convert to fraction form
    129,865.45/194,797.15 = 69,922.01/x
  3. Step 3: Cross multiply
    129,865.45x = 194,797.15 × 69,922.01
  4. Step 4: Simplify right side
    129,865.45x = 13,620,608,427.90
  5. Step 5: Solve for x
    x = 13,620,608,427.90/129,865.45
  6. Step 6: Final answer
    x = 104,882.46

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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.