Home / 152,511.30-228,766.95-122,986.80

Finding the Fourth Proportional to 152,511.30, 228,766.95 and 122,986.80

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Solution

The fourth proportional to 152,511.30, 228,766.95 and 122,986.80 is: 184,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,511.30 : 228,766.95 = 122,986.80 : x
  2. Step 2: Convert to fraction form
    152,511.30/228,766.95 = 122,986.80/x
  3. Step 3: Cross multiply
    152,511.30x = 228,766.95 × 122,986.80
  4. Step 4: Simplify right side
    152,511.30x = 28,135,315,126.26
  5. Step 5: Solve for x
    x = 28,135,315,126.26/152,511.30
  6. Step 6: Final answer
    x = 184,480.20

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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.