Home / 320,127.93-480,191.91-109,767.69

Finding the Fourth Proportional to 320,127.93, 480,191.91 and 109,767.69

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Solution

The fourth proportional to 320,127.93, 480,191.91 and 109,767.69 is: 164,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,127.93 : 480,191.91 = 109,767.69 : x
  2. Step 2: Convert to fraction form
    320,127.93/480,191.91 = 109,767.69/x
  3. Step 3: Cross multiply
    320,127.93x = 480,191.91 × 109,767.69
  4. Step 4: Simplify right side
    320,127.93x = 52,709,556,717.39
  5. Step 5: Solve for x
    x = 52,709,556,717.39/320,127.93
  6. Step 6: Final answer
    x = 164,651.54

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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.