Home / 202,601.40-279,606.76-111,975.06

Finding the Fourth Proportional to 202,601.40, 279,606.76 and 111,975.06

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Solution

The fourth proportional to 202,601.40, 279,606.76 and 111,975.06 is: 154,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,601.40 : 279,606.76 = 111,975.06 : x
  2. Step 2: Convert to fraction form
    202,601.40/279,606.76 = 111,975.06/x
  3. Step 3: Cross multiply
    202,601.40x = 279,606.76 × 111,975.06
  4. Step 4: Simplify right side
    202,601.40x = 31,308,983,727.41
  5. Step 5: Solve for x
    x = 31,308,983,727.41/202,601.40
  6. Step 6: Final answer
    x = 154,534.88

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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.