Home / 224,629.89-309,986.87-122,655.03

Finding the Fourth Proportional to 224,629.89, 309,986.87 and 122,655.03

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Solution

The fourth proportional to 224,629.89, 309,986.87 and 122,655.03 is: 169,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,629.89 : 309,986.87 = 122,655.03 : x
  2. Step 2: Convert to fraction form
    224,629.89/309,986.87 = 122,655.03/x
  3. Step 3: Cross multiply
    224,629.89x = 309,986.87 × 122,655.03
  4. Step 4: Simplify right side
    224,629.89x = 38,021,448,226.18
  5. Step 5: Solve for x
    x = 38,021,448,226.18/224,629.89
  6. Step 6: Final answer
    x = 169,262.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.