Home / 143,110.43-214,669.04-43,270.23

Finding the Fourth Proportional to 143,110.43, 214,669.04 and 43,270.23

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Solution

The fourth proportional to 143,110.43, 214,669.04 and 43,270.23 is: 64,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,110.43 : 214,669.04 = 43,270.23 : x
  2. Step 2: Convert to fraction form
    143,110.43/214,669.04 = 43,270.23/x
  3. Step 3: Cross multiply
    143,110.43x = 214,669.04 × 43,270.23
  4. Step 4: Simplify right side
    143,110.43x = 9,288,779,323.34
  5. Step 5: Solve for x
    x = 9,288,779,323.34/143,110.43
  6. Step 6: Final answer
    x = 64,906.38

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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.