Home / 120,416.58-166,176.21-66,702.42

Finding the Fourth Proportional to 120,416.58, 166,176.21 and 66,702.42

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Solution

The fourth proportional to 120,416.58, 166,176.21 and 66,702.42 is: 92,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,416.58 : 166,176.21 = 66,702.42 : x
  2. Step 2: Convert to fraction form
    120,416.58/166,176.21 = 66,702.42/x
  3. Step 3: Cross multiply
    120,416.58x = 166,176.21 × 66,702.42
  4. Step 4: Simplify right side
    120,416.58x = 11,084,355,353.43
  5. Step 5: Solve for x
    x = 11,084,355,353.43/120,416.58
  6. Step 6: Final answer
    x = 92,050.08

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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.