Home / 143,147.42-214,654.49-53,127.44

Finding the Fourth Proportional to 143,147.42, 214,654.49 and 53,127.44

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Solution

The fourth proportional to 143,147.42, 214,654.49 and 53,127.44 is: 79,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,147.42 : 214,654.49 = 53,127.44 : x
  2. Step 2: Convert to fraction form
    143,147.42/214,654.49 = 53,127.44/x
  3. Step 3: Cross multiply
    143,147.42x = 214,654.49 × 53,127.44
  4. Step 4: Simplify right side
    143,147.42x = 11,404,043,538.21
  5. Step 5: Solve for x
    x = 11,404,043,538.21/143,147.42
  6. Step 6: Final answer
    x = 79,666.43

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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.