Home / 122,970.21-184,427.62-80,262.20

Finding the Fourth Proportional to 122,970.21, 184,427.62 and 80,262.20

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Solution

The fourth proportional to 122,970.21, 184,427.62 and 80,262.20 is: 120,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,970.21 : 184,427.62 = 80,262.20 : x
  2. Step 2: Convert to fraction form
    122,970.21/184,427.62 = 80,262.20/x
  3. Step 3: Cross multiply
    122,970.21x = 184,427.62 × 80,262.20
  4. Step 4: Simplify right side
    122,970.21x = 14,802,566,521.96
  5. Step 5: Solve for x
    x = 14,802,566,521.96/122,970.21
  6. Step 6: Final answer
    x = 120,375.22

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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.