Home / 143,147.09-214,653.97-53,127.10

Finding the Fourth Proportional to 143,147.09, 214,653.97 and 53,127.10

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Solution

The fourth proportional to 143,147.09, 214,653.97 and 53,127.10 is: 79,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,147.09 : 214,653.97 = 53,127.10 : x
  2. Step 2: Convert to fraction form
    143,147.09/214,653.97 = 53,127.10/x
  3. Step 3: Cross multiply
    143,147.09x = 214,653.97 × 53,127.10
  4. Step 4: Simplify right side
    143,147.09x = 11,403,942,260.13
  5. Step 5: Solve for x
    x = 11,403,942,260.13/143,147.09
  6. Step 6: Final answer
    x = 79,665.91

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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.