Home / 143,194.26-197,608.06-79,537.98

Finding the Fourth Proportional to 143,194.26, 197,608.06 and 79,537.98

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Solution

The fourth proportional to 143,194.26, 197,608.06 and 79,537.98 is: 109,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,194.26 : 197,608.06 = 79,537.98 : x
  2. Step 2: Convert to fraction form
    143,194.26/197,608.06 = 79,537.98/x
  3. Step 3: Cross multiply
    143,194.26x = 197,608.06 × 79,537.98
  4. Step 4: Simplify right side
    143,194.26x = 15,717,345,924.12
  5. Step 5: Solve for x
    x = 15,717,345,924.12/143,194.26
  6. Step 6: Final answer
    x = 109,762.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.