Home / 122,760.60-183,881.70-109,627.80

Finding the Fourth Proportional to 122,760.60, 183,881.70 and 109,627.80

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Solution

The fourth proportional to 122,760.60, 183,881.70 and 109,627.80 is: 164,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,760.60 : 183,881.70 = 109,627.80 : x
  2. Step 2: Convert to fraction form
    122,760.60/183,881.70 = 109,627.80/x
  3. Step 3: Cross multiply
    122,760.60x = 183,881.70 × 109,627.80
  4. Step 4: Simplify right side
    122,760.60x = 20,158,546,231.26
  5. Step 5: Solve for x
    x = 20,158,546,231.26/122,760.60
  6. Step 6: Final answer
    x = 164,210.23

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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.