Home / 122,378.37-183,622.62-66,152.64

Finding the Fourth Proportional to 122,378.37, 183,622.62 and 66,152.64

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Solution

The fourth proportional to 122,378.37, 183,622.62 and 66,152.64 is: 99,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,378.37 : 183,622.62 = 66,152.64 : x
  2. Step 2: Convert to fraction form
    122,378.37/183,622.62 = 66,152.64/x
  3. Step 3: Cross multiply
    122,378.37x = 183,622.62 × 66,152.64
  4. Step 4: Simplify right side
    122,378.37x = 12,147,121,076.72
  5. Step 5: Solve for x
    x = 12,147,121,076.72/122,378.37
  6. Step 6: Final answer
    x = 99,258.73

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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.