Home / 146,944.38-220,415.64-40,320

Finding the Fourth Proportional to 146,944.38, 220,415.64 and 40,320

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Solution

The fourth proportional to 146,944.38, 220,415.64 and 40,320 is: 60,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,944.38 : 220,415.64 = 40,320 : x
  2. Step 2: Convert to fraction form
    146,944.38/220,415.64 = 40,320/x
  3. Step 3: Cross multiply
    146,944.38x = 220,415.64 × 40,320
  4. Step 4: Simplify right side
    146,944.38x = 8,887,158,604.80
  5. Step 5: Solve for x
    x = 8,887,158,604.80/146,944.38
  6. Step 6: Final answer
    x = 60,479.74

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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.