Home / 120,394.08-180,608.04-50,257.44

Finding the Fourth Proportional to 120,394.08, 180,608.04 and 50,257.44

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Solution

The fourth proportional to 120,394.08, 180,608.04 and 50,257.44 is: 75,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,394.08 : 180,608.04 = 50,257.44 : x
  2. Step 2: Convert to fraction form
    120,394.08/180,608.04 = 50,257.44/x
  3. Step 3: Cross multiply
    120,394.08x = 180,608.04 × 50,257.44
  4. Step 4: Simplify right side
    120,394.08x = 9,076,897,733.82
  5. Step 5: Solve for x
    x = 9,076,897,733.82/120,394.08
  6. Step 6: Final answer
    x = 75,393.22

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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.