Home / 320,131.93-480,197.91-109,771.69

Finding the Fourth Proportional to 320,131.93, 480,197.91 and 109,771.69

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Solution

The fourth proportional to 320,131.93, 480,197.91 and 109,771.69 is: 164,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,131.93 : 480,197.91 = 109,771.69 : x
  2. Step 2: Convert to fraction form
    320,131.93/480,197.91 = 109,771.69/x
  3. Step 3: Cross multiply
    320,131.93x = 480,197.91 × 109,771.69
  4. Step 4: Simplify right side
    320,131.93x = 52,712,136,115.17
  5. Step 5: Solve for x
    x = 52,712,136,115.17/320,131.93
  6. Step 6: Final answer
    x = 164,657.54

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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.