Home / 197,975.98-273,186.41-121,498.30

Finding the Fourth Proportional to 197,975.98, 273,186.41 and 121,498.30

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Solution

The fourth proportional to 197,975.98, 273,186.41 and 121,498.30 is: 167,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,975.98 : 273,186.41 = 121,498.30 : x
  2. Step 2: Convert to fraction form
    197,975.98/273,186.41 = 121,498.30/x
  3. Step 3: Cross multiply
    197,975.98x = 273,186.41 × 121,498.30
  4. Step 4: Simplify right side
    197,975.98x = 33,191,683,107.65
  5. Step 5: Solve for x
    x = 33,191,683,107.65/197,975.98
  6. Step 6: Final answer
    x = 167,655.10

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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.