Home / 149,829.60-224,629.20-84,165.60

Finding the Fourth Proportional to 149,829.60, 224,629.20 and 84,165.60

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Solution

The fourth proportional to 149,829.60, 224,629.20 and 84,165.60 is: 126,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,829.60 : 224,629.20 = 84,165.60 : x
  2. Step 2: Convert to fraction form
    149,829.60/224,629.20 = 84,165.60/x
  3. Step 3: Cross multiply
    149,829.60x = 224,629.20 × 84,165.60
  4. Step 4: Simplify right side
    149,829.60x = 18,906,051,395.52
  5. Step 5: Solve for x
    x = 18,906,051,395.52/149,829.60
  6. Step 6: Final answer
    x = 126,183.69

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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.