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Finding the Fourth Proportional to 189,110.20, 283,373.70 and 164,032.60

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Solution

The fourth proportional to 189,110.20, 283,373.70 and 164,032.60 is: 245,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,110.20 : 283,373.70 = 164,032.60 : x
  2. Step 2: Convert to fraction form
    189,110.20/283,373.70 = 164,032.60/x
  3. Step 3: Cross multiply
    189,110.20x = 283,373.70 × 164,032.60
  4. Step 4: Simplify right side
    189,110.20x = 46,482,524,782.62
  5. Step 5: Solve for x
    x = 46,482,524,782.62/189,110.20
  6. Step 6: Final answer
    x = 245,795.97

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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.