Home / 198,725.12-298,087.36-50,981.12

Finding the Fourth Proportional to 198,725.12, 298,087.36 and 50,981.12

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Solution

The fourth proportional to 198,725.12, 298,087.36 and 50,981.12 is: 76,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,725.12 : 298,087.36 = 50,981.12 : x
  2. Step 2: Convert to fraction form
    198,725.12/298,087.36 = 50,981.12/x
  3. Step 3: Cross multiply
    198,725.12x = 298,087.36 × 50,981.12
  4. Step 4: Simplify right side
    198,725.12x = 15,196,827,470.64
  5. Step 5: Solve for x
    x = 15,196,827,470.64/198,725.12
  6. Step 6: Final answer
    x = 76,471.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.