Home / 122,621.60-183,889.20-56,093.60

Finding the Fourth Proportional to 122,621.60, 183,889.20 and 56,093.60

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Solution

The fourth proportional to 122,621.60, 183,889.20 and 56,093.60 is: 84,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,621.60 : 183,889.20 = 56,093.60 : x
  2. Step 2: Convert to fraction form
    122,621.60/183,889.20 = 56,093.60/x
  3. Step 3: Cross multiply
    122,621.60x = 183,889.20 × 56,093.60
  4. Step 4: Simplify right side
    122,621.60x = 10,315,007,229.12
  5. Step 5: Solve for x
    x = 10,315,007,229.12/122,621.60
  6. Step 6: Final answer
    x = 84,120.64

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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.