Home / 122,529.60-183,794.40-111,643.20

Finding the Fourth Proportional to 122,529.60, 183,794.40 and 111,643.20

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Solution

The fourth proportional to 122,529.60, 183,794.40 and 111,643.20 is: 167,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,529.60 : 183,794.40 = 111,643.20 : x
  2. Step 2: Convert to fraction form
    122,529.60/183,794.40 = 111,643.20/x
  3. Step 3: Cross multiply
    122,529.60x = 183,794.40 × 111,643.20
  4. Step 4: Simplify right side
    122,529.60x = 20,519,394,958.08
  5. Step 5: Solve for x
    x = 20,519,394,958.08/122,529.60
  6. Step 6: Final answer
    x = 167,464.80

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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.