Home / 197,806.56-272,971.92-107,164.30

Finding the Fourth Proportional to 197,806.56, 272,971.92 and 107,164.30

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Solution

The fourth proportional to 197,806.56, 272,971.92 and 107,164.30 is: 147,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,806.56 : 272,971.92 = 107,164.30 : x
  2. Step 2: Convert to fraction form
    197,806.56/272,971.92 = 107,164.30/x
  3. Step 3: Cross multiply
    197,806.56x = 272,971.92 × 107,164.30
  4. Step 4: Simplify right side
    197,806.56x = 29,252,844,726.46
  5. Step 5: Solve for x
    x = 29,252,844,726.46/197,806.56
  6. Step 6: Final answer
    x = 147,886.12

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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.