Home / 198,425.18-273,749.57-112,364.40

Finding the Fourth Proportional to 198,425.18, 273,749.57 and 112,364.40

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Solution

The fourth proportional to 198,425.18, 273,749.57 and 112,364.40 is: 155,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,425.18 : 273,749.57 = 112,364.40 : x
  2. Step 2: Convert to fraction form
    198,425.18/273,749.57 = 112,364.40/x
  3. Step 3: Cross multiply
    198,425.18x = 273,749.57 × 112,364.40
  4. Step 4: Simplify right side
    198,425.18x = 30,759,706,183.31
  5. Step 5: Solve for x
    x = 30,759,706,183.31/198,425.18
  6. Step 6: Final answer
    x = 155,019.17

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1.5x scale

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.