Home / 120,423.07-166,181.74-66,706.95

Finding the Fourth Proportional to 120,423.07, 166,181.74 and 66,706.95

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Solution

The fourth proportional to 120,423.07, 166,181.74 and 66,706.95 is: 92,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,423.07 : 166,181.74 = 66,706.95 : x
  2. Step 2: Convert to fraction form
    120,423.07/166,181.74 = 66,706.95/x
  3. Step 3: Cross multiply
    120,423.07x = 166,181.74 × 66,706.95
  4. Step 4: Simplify right side
    120,423.07x = 11,085,477,021.09
  5. Step 5: Solve for x
    x = 11,085,477,021.09/120,423.07
  6. Step 6: Final answer
    x = 92,054.43

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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.