Home / 143,045.03-214,708.79-107,382.35

Finding the Fourth Proportional to 143,045.03, 214,708.79 and 107,382.35

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Solution

The fourth proportional to 143,045.03, 214,708.79 and 107,382.35 is: 161,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,045.03 : 214,708.79 = 107,382.35 : x
  2. Step 2: Convert to fraction form
    143,045.03/214,708.79 = 107,382.35/x
  3. Step 3: Cross multiply
    143,045.03x = 214,708.79 × 107,382.35
  4. Step 4: Simplify right side
    143,045.03x = 23,055,934,435.86
  5. Step 5: Solve for x
    x = 23,055,934,435.86/143,045.03
  6. Step 6: Final answer
    x = 161,179.56

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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.