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Finding the Fourth Proportional to 133,279.34, 183,806.42 and 110,582.40

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Solution

The fourth proportional to 133,279.34, 183,806.42 and 110,582.40 is: 152,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,279.34 : 183,806.42 = 110,582.40 : x
  2. Step 2: Convert to fraction form
    133,279.34/183,806.42 = 110,582.40/x
  3. Step 3: Cross multiply
    133,279.34x = 183,806.42 × 110,582.40
  4. Step 4: Simplify right side
    133,279.34x = 20,325,755,059.01
  5. Step 5: Solve for x
    x = 20,325,755,059.01/133,279.34
  6. Step 6: Final answer
    x = 152,504.92

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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.