Home / 144,360.16-199,217.82-80,700.64

Finding the Fourth Proportional to 144,360.16, 199,217.82 and 80,700.64

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Solution

The fourth proportional to 144,360.16, 199,217.82 and 80,700.64 is: 111,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,360.16 : 199,217.82 = 80,700.64 : x
  2. Step 2: Convert to fraction form
    144,360.16/199,217.82 = 80,700.64/x
  3. Step 3: Cross multiply
    144,360.16x = 199,217.82 × 80,700.64
  4. Step 4: Simplify right side
    144,360.16x = 16,077,005,573.40
  5. Step 5: Solve for x
    x = 16,077,005,573.40/144,360.16
  6. Step 6: Final answer
    x = 111,367.33

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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.