Home / 144,690.77-199,668.61-80,157.35

Finding the Fourth Proportional to 144,690.77, 199,668.61 and 80,157.35

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Solution

The fourth proportional to 144,690.77, 199,668.61 and 80,157.35 is: 110,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,690.77 : 199,668.61 = 80,157.35 : x
  2. Step 2: Convert to fraction form
    144,690.77/199,668.61 = 80,157.35/x
  3. Step 3: Cross multiply
    144,690.77x = 199,668.61 × 80,157.35
  4. Step 4: Simplify right side
    144,690.77x = 16,004,906,655.78
  5. Step 5: Solve for x
    x = 16,004,906,655.78/144,690.77
  6. Step 6: Final answer
    x = 110,614.57

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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.