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Finding the Fourth Proportional to 144,582.57, 199,523.92 and 80,920.37

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Solution

The fourth proportional to 144,582.57, 199,523.92 and 80,920.37 is: 111,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,582.57 : 199,523.92 = 80,920.37 : x
  2. Step 2: Convert to fraction form
    144,582.57/199,523.92 = 80,920.37/x
  3. Step 3: Cross multiply
    144,582.57x = 199,523.92 × 80,920.37
  4. Step 4: Simplify right side
    144,582.57x = 16,145,549,430.25
  5. Step 5: Solve for x
    x = 16,145,549,430.25/144,582.57
  6. Step 6: Final answer
    x = 111,670.10

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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.