Home / 120,120.72-180,185.44-41,234.48

Finding the Fourth Proportional to 120,120.72, 180,185.44 and 41,234.48

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Solution

The fourth proportional to 120,120.72, 180,185.44 and 41,234.48 is: 61,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,120.72 : 180,185.44 = 41,234.48 : x
  2. Step 2: Convert to fraction form
    120,120.72/180,185.44 = 41,234.48/x
  3. Step 3: Cross multiply
    120,120.72x = 180,185.44 × 41,234.48
  4. Step 4: Simplify right side
    120,120.72x = 7,429,852,921.97
  5. Step 5: Solve for x
    x = 7,429,852,921.97/120,120.72
  6. Step 6: Final answer
    x = 61,853.22

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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.