Home / 144,360.80-199,214.25-80,704.52

Finding the Fourth Proportional to 144,360.80, 199,214.25 and 80,704.52

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Solution

The fourth proportional to 144,360.80, 199,214.25 and 80,704.52 is: 111,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,360.80 : 199,214.25 = 80,704.52 : x
  2. Step 2: Convert to fraction form
    144,360.80/199,214.25 = 80,704.52/x
  3. Step 3: Cross multiply
    144,360.80x = 199,214.25 × 80,704.52
  4. Step 4: Simplify right side
    144,360.80x = 16,077,490,423.41
  5. Step 5: Solve for x
    x = 16,077,490,423.41/144,360.80
  6. Step 6: Final answer
    x = 111,370.19

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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.