Home / 197,196.51-272,131.40-106,552.65

Finding the Fourth Proportional to 197,196.51, 272,131.40 and 106,552.65

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Solution

The fourth proportional to 197,196.51, 272,131.40 and 106,552.65 is: 147,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,196.51 : 272,131.40 = 106,552.65 : x
  2. Step 2: Convert to fraction form
    197,196.51/272,131.40 = 106,552.65/x
  3. Step 3: Cross multiply
    197,196.51x = 272,131.40 × 106,552.65
  4. Step 4: Simplify right side
    197,196.51x = 28,996,321,285.45
  5. Step 5: Solve for x
    x = 28,996,321,285.45/197,196.51
  6. Step 6: Final answer
    x = 147,042.77

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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.