Home / 79,187.46-118,768.81-25,879.02

Finding the Fourth Proportional to 79,187.46, 118,768.81 and 25,879.02

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Solution

The fourth proportional to 79,187.46, 118,768.81 and 25,879.02 is: 38,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,187.46 : 118,768.81 = 25,879.02 : x
  2. Step 2: Convert to fraction form
    79,187.46/118,768.81 = 25,879.02/x
  3. Step 3: Cross multiply
    79,187.46x = 118,768.81 × 25,879.02
  4. Step 4: Simplify right side
    79,187.46x = 3,073,620,409.37
  5. Step 5: Solve for x
    x = 3,073,620,409.37/79,187.46
  6. Step 6: Final answer
    x = 38,814.48

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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.