Home / 122,729.68-183,940.60-52,526.48

Finding the Fourth Proportional to 122,729.68, 183,940.60 and 52,526.48

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Solution

The fourth proportional to 122,729.68, 183,940.60 and 52,526.48 is: 78,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,729.68 : 183,940.60 = 52,526.48 : x
  2. Step 2: Convert to fraction form
    122,729.68/183,940.60 = 52,526.48/x
  3. Step 3: Cross multiply
    122,729.68x = 183,940.60 × 52,526.48
  4. Step 4: Simplify right side
    122,729.68x = 9,661,752,247.09
  5. Step 5: Solve for x
    x = 9,661,752,247.09/122,729.68
  6. Step 6: Final answer
    x = 78,723.84

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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.