Home / 144,357.35-199,217.54-80,697.83

Finding the Fourth Proportional to 144,357.35, 199,217.54 and 80,697.83

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Solution

The fourth proportional to 144,357.35, 199,217.54 and 80,697.83 is: 111,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,357.35 : 199,217.54 = 80,697.83 : x
  2. Step 2: Convert to fraction form
    144,357.35/199,217.54 = 80,697.83/x
  3. Step 3: Cross multiply
    144,357.35x = 199,217.54 × 80,697.83
  4. Step 4: Simplify right side
    144,357.35x = 16,076,422,381.60
  5. Step 5: Solve for x
    x = 16,076,422,381.60/144,357.35
  6. Step 6: Final answer
    x = 111,365.46

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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.