Home / 137,108.21-205,427.07-123,241.41

Finding the Fourth Proportional to 137,108.21, 205,427.07 and 123,241.41

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Solution

The fourth proportional to 137,108.21, 205,427.07 and 123,241.41 is: 184,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,108.21 : 205,427.07 = 123,241.41 : x
  2. Step 2: Convert to fraction form
    137,108.21/205,427.07 = 123,241.41/x
  3. Step 3: Cross multiply
    137,108.21x = 205,427.07 × 123,241.41
  4. Step 4: Simplify right side
    137,108.21x = 25,317,121,758.97
  5. Step 5: Solve for x
    x = 25,317,121,758.97/137,108.21
  6. Step 6: Final answer
    x = 184,650.67

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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.