Home / 144,481.68-199,373.85-80,807.18

Finding the Fourth Proportional to 144,481.68, 199,373.85 and 80,807.18

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Solution

The fourth proportional to 144,481.68, 199,373.85 and 80,807.18 is: 111,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,481.68 : 199,373.85 = 80,807.18 : x
  2. Step 2: Convert to fraction form
    144,481.68/199,373.85 = 80,807.18/x
  3. Step 3: Cross multiply
    144,481.68x = 199,373.85 × 80,807.18
  4. Step 4: Simplify right side
    144,481.68x = 16,110,837,587.37
  5. Step 5: Solve for x
    x = 16,110,837,587.37/144,481.68
  6. Step 6: Final answer
    x = 111,507.82

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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.