Home / 122,557.20-183,835.80-80,566.80

Finding the Fourth Proportional to 122,557.20, 183,835.80 and 80,566.80

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Solution

The fourth proportional to 122,557.20, 183,835.80 and 80,566.80 is: 120,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,557.20 : 183,835.80 = 80,566.80 : x
  2. Step 2: Convert to fraction form
    122,557.20/183,835.80 = 80,566.80/x
  3. Step 3: Cross multiply
    122,557.20x = 183,835.80 × 80,566.80
  4. Step 4: Simplify right side
    122,557.20x = 14,811,062,131.44
  5. Step 5: Solve for x
    x = 14,811,062,131.44/122,557.20
  6. Step 6: Final answer
    x = 120,850.20

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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.