Home / 92,245.89-138,234.20-40,892.60

Finding the Fourth Proportional to 92,245.89, 138,234.20 and 40,892.60

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Solution

The fourth proportional to 92,245.89, 138,234.20 and 40,892.60 is: 61,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,245.89 : 138,234.20 = 40,892.60 : x
  2. Step 2: Convert to fraction form
    92,245.89/138,234.20 = 40,892.60/x
  3. Step 3: Cross multiply
    92,245.89x = 138,234.20 × 40,892.60
  4. Step 4: Simplify right side
    92,245.89x = 5,652,755,210.48
  5. Step 5: Solve for x
    x = 5,652,755,210.48/92,245.89
  6. Step 6: Final answer
    x = 61,279.21

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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.