Home / 179,679.55-247,800.30-143,856.49

Finding the Fourth Proportional to 179,679.55, 247,800.30 and 143,856.49

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Solution

The fourth proportional to 179,679.55, 247,800.30 and 143,856.49 is: 198,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,679.55 : 247,800.30 = 143,856.49 : x
  2. Step 2: Convert to fraction form
    179,679.55/247,800.30 = 143,856.49/x
  3. Step 3: Cross multiply
    179,679.55x = 247,800.30 × 143,856.49
  4. Step 4: Simplify right side
    179,679.55x = 35,647,681,378.95
  5. Step 5: Solve for x
    x = 35,647,681,378.95/179,679.55
  6. Step 6: Final answer
    x = 198,395.87

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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.