Home / 320,064.12-480,120.68-95,407.38

Finding the Fourth Proportional to 320,064.12, 480,120.68 and 95,407.38

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Solution

The fourth proportional to 320,064.12, 480,120.68 and 95,407.38 is: 143,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,064.12 : 480,120.68 = 95,407.38 : x
  2. Step 2: Convert to fraction form
    320,064.12/480,120.68 = 95,407.38/x
  3. Step 3: Cross multiply
    320,064.12x = 480,120.68 × 95,407.38
  4. Step 4: Simplify right side
    320,064.12x = 45,807,056,401.14
  5. Step 5: Solve for x
    x = 45,807,056,401.14/320,064.12
  6. Step 6: Final answer
    x = 143,118.37

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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.