Home / 147,230.05-220,846.23-80,633.85

Finding the Fourth Proportional to 147,230.05, 220,846.23 and 80,633.85

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Solution

The fourth proportional to 147,230.05, 220,846.23 and 80,633.85 is: 120,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230.05 : 220,846.23 = 80,633.85 : x
  2. Step 2: Convert to fraction form
    147,230.05/220,846.23 = 80,633.85/x
  3. Step 3: Cross multiply
    147,230.05x = 220,846.23 × 80,633.85
  4. Step 4: Simplify right side
    147,230.05x = 17,807,681,782.89
  5. Step 5: Solve for x
    x = 17,807,681,782.89/147,230.05
  6. Step 6: Final answer
    x = 120,951.41

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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.