Home / 122,822.80-184,234.20-91,718.80

Finding the Fourth Proportional to 122,822.80, 184,234.20 and 91,718.80

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Solution

The fourth proportional to 122,822.80, 184,234.20 and 91,718.80 is: 137,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,822.80 : 184,234.20 = 91,718.80 : x
  2. Step 2: Convert to fraction form
    122,822.80/184,234.20 = 91,718.80/x
  3. Step 3: Cross multiply
    122,822.80x = 184,234.20 × 91,718.80
  4. Step 4: Simplify right side
    122,822.80x = 16,897,739,742.96
  5. Step 5: Solve for x
    x = 16,897,739,742.96/122,822.80
  6. Step 6: Final answer
    x = 137,578.20

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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.