Home / 143,161.31-214,741.71-36,545.25

Finding the Fourth Proportional to 143,161.31, 214,741.71 and 36,545.25

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Solution

The fourth proportional to 143,161.31, 214,741.71 and 36,545.25 is: 54,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,161.31 : 214,741.71 = 36,545.25 : x
  2. Step 2: Convert to fraction form
    143,161.31/214,741.71 = 36,545.25/x
  3. Step 3: Cross multiply
    143,161.31x = 214,741.71 × 36,545.25
  4. Step 4: Simplify right side
    143,161.31x = 7,847,789,477.38
  5. Step 5: Solve for x
    x = 7,847,789,477.38/143,161.31
  6. Step 6: Final answer
    x = 54,817.81

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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.