Home / 143,052.31-214,578.47-76,290.18

Finding the Fourth Proportional to 143,052.31, 214,578.47 and 76,290.18

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Solution

The fourth proportional to 143,052.31, 214,578.47 and 76,290.18 is: 114,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,052.31 : 214,578.47 = 76,290.18 : x
  2. Step 2: Convert to fraction form
    143,052.31/214,578.47 = 76,290.18/x
  3. Step 3: Cross multiply
    143,052.31x = 214,578.47 × 76,290.18
  4. Step 4: Simplify right side
    143,052.31x = 16,370,230,100.42
  5. Step 5: Solve for x
    x = 16,370,230,100.42/143,052.31
  6. Step 6: Final answer
    x = 114,435.27

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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.