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Finding the Fourth Proportional to 149,898.03, 206,834.72 and 88,635.71

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Solution

The fourth proportional to 149,898.03, 206,834.72 and 88,635.71 is: 122,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,898.03 : 206,834.72 = 88,635.71 : x
  2. Step 2: Convert to fraction form
    149,898.03/206,834.72 = 88,635.71/x
  3. Step 3: Cross multiply
    149,898.03x = 206,834.72 × 88,635.71
  4. Step 4: Simplify right side
    149,898.03x = 18,332,941,447.27
  5. Step 5: Solve for x
    x = 18,332,941,447.27/149,898.03
  6. Step 6: Final answer
    x = 122,302.75

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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.