Home / 132,200.20-198,300.30-69,992.20

Finding the Fourth Proportional to 132,200.20, 198,300.30 and 69,992.20

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Solution

The fourth proportional to 132,200.20, 198,300.30 and 69,992.20 is: 104,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,200.20 : 198,300.30 = 69,992.20 : x
  2. Step 2: Convert to fraction form
    132,200.20/198,300.30 = 69,992.20/x
  3. Step 3: Cross multiply
    132,200.20x = 198,300.30 × 69,992.20
  4. Step 4: Simplify right side
    132,200.20x = 13,879,474,257.66
  5. Step 5: Solve for x
    x = 13,879,474,257.66/132,200.20
  6. Step 6: Final answer
    x = 104,988.30

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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.