Home / 100,804.73-151,188.26-40,817.34

Finding the Fourth Proportional to 100,804.73, 151,188.26 and 40,817.34

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Solution

The fourth proportional to 100,804.73, 151,188.26 and 40,817.34 is: 61,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,804.73 : 151,188.26 = 40,817.34 : x
  2. Step 2: Convert to fraction form
    100,804.73/151,188.26 = 40,817.34/x
  3. Step 3: Cross multiply
    100,804.73x = 151,188.26 × 40,817.34
  4. Step 4: Simplify right side
    100,804.73x = 6,171,102,408.34
  5. Step 5: Solve for x
    x = 6,171,102,408.34/100,804.73
  6. Step 6: Final answer
    x = 61,218.38

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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.