Home / 143,230.72-214,440.09-119,020.63

Finding the Fourth Proportional to 143,230.72, 214,440.09 and 119,020.63

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Solution

The fourth proportional to 143,230.72, 214,440.09 and 119,020.63 is: 178,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,230.72 : 214,440.09 = 119,020.63 : x
  2. Step 2: Convert to fraction form
    143,230.72/214,440.09 = 119,020.63/x
  3. Step 3: Cross multiply
    143,230.72x = 214,440.09 × 119,020.63
  4. Step 4: Simplify right side
    143,230.72x = 25,522,793,536.86
  5. Step 5: Solve for x
    x = 25,522,793,536.86/143,230.72
  6. Step 6: Final answer
    x = 178,193.58

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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.