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Finding the Fourth Proportional to 144,277.01, 199,101.86 and 80,614.86

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Solution

The fourth proportional to 144,277.01, 199,101.86 and 80,614.86 is: 111,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,277.01 : 199,101.86 = 80,614.86 : x
  2. Step 2: Convert to fraction form
    144,277.01/199,101.86 = 80,614.86/x
  3. Step 3: Cross multiply
    144,277.01x = 199,101.86 × 80,614.86
  4. Step 4: Simplify right side
    144,277.01x = 16,050,567,171.06
  5. Step 5: Solve for x
    x = 16,050,567,171.06/144,277.01
  6. Step 6: Final answer
    x = 111,248.27

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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.