Home / 122,321.82-183,510.36-43,436.10

Finding the Fourth Proportional to 122,321.82, 183,510.36 and 43,436.10

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Solution

The fourth proportional to 122,321.82, 183,510.36 and 43,436.10 is: 65,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,321.82 : 183,510.36 = 43,436.10 : x
  2. Step 2: Convert to fraction form
    122,321.82/183,510.36 = 43,436.10/x
  3. Step 3: Cross multiply
    122,321.82x = 183,510.36 × 43,436.10
  4. Step 4: Simplify right side
    122,321.82x = 7,970,974,348.00
  5. Step 5: Solve for x
    x = 7,970,974,348.00/122,321.82
  6. Step 6: Final answer
    x = 65,163.96

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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.