Home / 120,414.58-166,173.45-66,700.42

Finding the Fourth Proportional to 120,414.58, 166,173.45 and 66,700.42

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Solution

The fourth proportional to 120,414.58, 166,173.45 and 66,700.42 is: 92,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,414.58 : 166,173.45 = 66,700.42 : x
  2. Step 2: Convert to fraction form
    120,414.58/166,173.45 = 66,700.42/x
  3. Step 3: Cross multiply
    120,414.58x = 166,173.45 × 66,700.42
  4. Step 4: Simplify right side
    120,414.58x = 11,083,838,907.85
  5. Step 5: Solve for x
    x = 11,083,838,907.85/120,414.58
  6. Step 6: Final answer
    x = 92,047.32

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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.