Home / 143,328.36-214,992.99-43,489.38

Finding the Fourth Proportional to 143,328.36, 214,992.99 and 43,489.38

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Solution

The fourth proportional to 143,328.36, 214,992.99 and 43,489.38 is: 65,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,328.36 : 214,992.99 = 43,489.38 : x
  2. Step 2: Convert to fraction form
    143,328.36/214,992.99 = 43,489.38/x
  3. Step 3: Cross multiply
    143,328.36x = 214,992.99 × 43,489.38
  4. Step 4: Simplify right side
    143,328.36x = 9,349,911,839.45
  5. Step 5: Solve for x
    x = 9,349,911,839.45/143,328.36
  6. Step 6: Final answer
    x = 65,234.21

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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.