Home / 122,318.20-183,477.30-39,220.60

Finding the Fourth Proportional to 122,318.20, 183,477.30 and 39,220.60

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Solution

The fourth proportional to 122,318.20, 183,477.30 and 39,220.60 is: 58,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,318.20 : 183,477.30 = 39,220.60 : x
  2. Step 2: Convert to fraction form
    122,318.20/183,477.30 = 39,220.60/x
  3. Step 3: Cross multiply
    122,318.20x = 183,477.30 × 39,220.60
  4. Step 4: Simplify right side
    122,318.20x = 7,196,089,792.38
  5. Step 5: Solve for x
    x = 7,196,089,792.38/122,318.20
  6. Step 6: Final answer
    x = 58,830.90

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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.