Home / 197,632.64-272,732.98-106,988.54

Finding the Fourth Proportional to 197,632.64, 272,732.98 and 106,988.54

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Solution

The fourth proportional to 197,632.64, 272,732.98 and 106,988.54 is: 147,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,632.64 : 272,732.98 = 106,988.54 : x
  2. Step 2: Convert to fraction form
    197,632.64/272,732.98 = 106,988.54/x
  3. Step 3: Cross multiply
    197,632.64x = 272,732.98 × 106,988.54
  4. Step 4: Simplify right side
    197,632.64x = 29,179,303,340.05
  5. Step 5: Solve for x
    x = 29,179,303,340.05/197,632.64
  6. Step 6: Final answer
    x = 147,644.15

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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.