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Finding the Fourth Proportional to 189,673.30, 284,650.26 and 89,833.66

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Solution

The fourth proportional to 189,673.30, 284,650.26 and 89,833.66 is: 134,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,673.30 : 284,650.26 = 89,833.66 : x
  2. Step 2: Convert to fraction form
    189,673.30/284,650.26 = 89,833.66/x
  3. Step 3: Cross multiply
    189,673.30x = 284,650.26 × 89,833.66
  4. Step 4: Simplify right side
    189,673.30x = 25,571,174,675.75
  5. Step 5: Solve for x
    x = 25,571,174,675.75/189,673.30
  6. Step 6: Final answer
    x = 134,816.94

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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.