Home / 143,044.35-214,707.77-107,381.67

Finding the Fourth Proportional to 143,044.35, 214,707.77 and 107,381.67

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Solution

The fourth proportional to 143,044.35, 214,707.77 and 107,381.67 is: 161,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,044.35 : 214,707.77 = 107,381.67 : x
  2. Step 2: Convert to fraction form
    143,044.35/214,707.77 = 107,381.67/x
  3. Step 3: Cross multiply
    143,044.35x = 214,707.77 × 107,381.67
  4. Step 4: Simplify right side
    143,044.35x = 23,055,678,367.67
  5. Step 5: Solve for x
    x = 23,055,678,367.67/143,044.35
  6. Step 6: Final answer
    x = 161,178.53

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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.