Home / 203,867.40-305,849.70-98,599.80

Finding the Fourth Proportional to 203,867.40, 305,849.70 and 98,599.80

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Solution

The fourth proportional to 203,867.40, 305,849.70 and 98,599.80 is: 147,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,867.40 : 305,849.70 = 98,599.80 : x
  2. Step 2: Convert to fraction form
    203,867.40/305,849.70 = 98,599.80/x
  3. Step 3: Cross multiply
    203,867.40x = 305,849.70 × 98,599.80
  4. Step 4: Simplify right side
    203,867.40x = 30,156,719,250.06
  5. Step 5: Solve for x
    x = 30,156,719,250.06/203,867.40
  6. Step 6: Final answer
    x = 147,923.21

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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.