Home / 143,844.37-198,423.94-90,035.96

Finding the Fourth Proportional to 143,844.37, 198,423.94 and 90,035.96

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Solution

The fourth proportional to 143,844.37, 198,423.94 and 90,035.96 is: 124,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,844.37 : 198,423.94 = 90,035.96 : x
  2. Step 2: Convert to fraction form
    143,844.37/198,423.94 = 90,035.96/x
  3. Step 3: Cross multiply
    143,844.37x = 198,423.94 × 90,035.96
  4. Step 4: Simplify right side
    143,844.37x = 17,865,289,924.88
  5. Step 5: Solve for x
    x = 17,865,289,924.88/143,844.37
  6. Step 6: Final answer
    x = 124,198.74

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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.