Home / 205,745.48-308,587.03-55,997.44

Finding the Fourth Proportional to 205,745.48, 308,587.03 and 55,997.44

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Solution

The fourth proportional to 205,745.48, 308,587.03 and 55,997.44 is: 83,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,745.48 : 308,587.03 = 55,997.44 : x
  2. Step 2: Convert to fraction form
    205,745.48/308,587.03 = 55,997.44/x
  3. Step 3: Cross multiply
    205,745.48x = 308,587.03 × 55,997.44
  4. Step 4: Simplify right side
    205,745.48x = 17,280,082,785.74
  5. Step 5: Solve for x
    x = 17,280,082,785.74/205,745.48
  6. Step 6: Final answer
    x = 83,987.67

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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.