Home / 80,094.23-120,190.76-40,679.63

Finding the Fourth Proportional to 80,094.23, 120,190.76 and 40,679.63

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Solution

The fourth proportional to 80,094.23, 120,190.76 and 40,679.63 is: 61,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,094.23 : 120,190.76 = 40,679.63 : x
  2. Step 2: Convert to fraction form
    80,094.23/120,190.76 = 40,679.63/x
  3. Step 3: Cross multiply
    80,094.23x = 120,190.76 × 40,679.63
  4. Step 4: Simplify right side
    80,094.23x = 4,889,315,442.82
  5. Step 5: Solve for x
    x = 4,889,315,442.82/80,094.23
  6. Step 6: Final answer
    x = 61,044.54

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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.