Home / 197,757.65-272,858.32-117,171.26

Finding the Fourth Proportional to 197,757.65, 272,858.32 and 117,171.26

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Solution

The fourth proportional to 197,757.65, 272,858.32 and 117,171.26 is: 161,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,757.65 : 272,858.32 = 117,171.26 : x
  2. Step 2: Convert to fraction form
    197,757.65/272,858.32 = 117,171.26/x
  3. Step 3: Cross multiply
    197,757.65x = 272,858.32 × 117,171.26
  4. Step 4: Simplify right side
    197,757.65x = 31,971,152,961.27
  5. Step 5: Solve for x
    x = 31,971,152,961.27/197,757.65
  6. Step 6: Final answer
    x = 161,668.35

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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.