Home / 198,043.79-273,315.52-112,004.47

Finding the Fourth Proportional to 198,043.79, 273,315.52 and 112,004.47

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Solution

The fourth proportional to 198,043.79, 273,315.52 and 112,004.47 is: 154,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,043.79 : 273,315.52 = 112,004.47 : x
  2. Step 2: Convert to fraction form
    198,043.79/273,315.52 = 112,004.47/x
  3. Step 3: Cross multiply
    198,043.79x = 273,315.52 × 112,004.47
  4. Step 4: Simplify right side
    198,043.79x = 30,612,559,812.00
  5. Step 5: Solve for x
    x = 30,612,559,812.00/198,043.79
  6. Step 6: Final answer
    x = 154,574.71

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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.