Home / 120,899.46-166,830.62-67,181.06

Finding the Fourth Proportional to 120,899.46, 166,830.62 and 67,181.06

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Solution

The fourth proportional to 120,899.46, 166,830.62 and 67,181.06 is: 92,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,899.46 : 166,830.62 = 67,181.06 : x
  2. Step 2: Convert to fraction form
    120,899.46/166,830.62 = 67,181.06/x
  3. Step 3: Cross multiply
    120,899.46x = 166,830.62 × 67,181.06
  4. Step 4: Simplify right side
    120,899.46x = 11,207,857,892.06
  5. Step 5: Solve for x
    x = 11,207,857,892.06/120,899.46
  6. Step 6: Final answer
    x = 92,703.95

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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.