Home / 122,544.40-183,622.20-80,942.80

Finding the Fourth Proportional to 122,544.40, 183,622.20 and 80,942.80

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Solution

The fourth proportional to 122,544.40, 183,622.20 and 80,942.80 is: 121,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,544.40 : 183,622.20 = 80,942.80 : x
  2. Step 2: Convert to fraction form
    122,544.40/183,622.20 = 80,942.80/x
  3. Step 3: Cross multiply
    122,544.40x = 183,622.20 × 80,942.80
  4. Step 4: Simplify right side
    122,544.40x = 14,862,895,010.16
  5. Step 5: Solve for x
    x = 14,862,895,010.16/122,544.40
  6. Step 6: Final answer
    x = 121,285.80

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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.