Home / 133,245.96-183,877.88-72,816.41

Finding the Fourth Proportional to 133,245.96, 183,877.88 and 72,816.41

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Solution

The fourth proportional to 133,245.96, 183,877.88 and 72,816.41 is: 100,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,245.96 : 183,877.88 = 72,816.41 : x
  2. Step 2: Convert to fraction form
    133,245.96/183,877.88 = 72,816.41/x
  3. Step 3: Cross multiply
    133,245.96x = 183,877.88 × 72,816.41
  4. Step 4: Simplify right side
    133,245.96x = 13,389,325,816.54
  5. Step 5: Solve for x
    x = 13,389,325,816.54/133,245.96
  6. Step 6: Final answer
    x = 100,485.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.