Home / 184,986.27-255,281.72-100,103.33

Finding the Fourth Proportional to 184,986.27, 255,281.72 and 100,103.33

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Solution

The fourth proportional to 184,986.27, 255,281.72 and 100,103.33 is: 138,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,986.27 : 255,281.72 = 100,103.33 : x
  2. Step 2: Convert to fraction form
    184,986.27/255,281.72 = 100,103.33/x
  3. Step 3: Cross multiply
    184,986.27x = 255,281.72 × 100,103.33
  4. Step 4: Simplify right side
    184,986.27x = 25,554,548,483.20
  5. Step 5: Solve for x
    x = 25,554,548,483.20/184,986.27
  6. Step 6: Final answer
    x = 138,142.95

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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.