Home / 197,632.38-272,731.08-106,986.51

Finding the Fourth Proportional to 197,632.38, 272,731.08 and 106,986.51

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Solution

The fourth proportional to 197,632.38, 272,731.08 and 106,986.51 is: 147,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,632.38 : 272,731.08 = 106,986.51 : x
  2. Step 2: Convert to fraction form
    197,632.38/272,731.08 = 106,986.51/x
  3. Step 3: Cross multiply
    197,632.38x = 272,731.08 × 106,986.51
  4. Step 4: Simplify right side
    197,632.38x = 29,178,546,417.73
  5. Step 5: Solve for x
    x = 29,178,546,417.73/197,632.38
  6. Step 6: Final answer
    x = 147,640.52

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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.