Home / 144,221.24-199,005.54-80,550.92

Finding the Fourth Proportional to 144,221.24, 199,005.54 and 80,550.92

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Solution

The fourth proportional to 144,221.24, 199,005.54 and 80,550.92 is: 111,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,221.24 : 199,005.54 = 80,550.92 : x
  2. Step 2: Convert to fraction form
    144,221.24/199,005.54 = 80,550.92/x
  3. Step 3: Cross multiply
    144,221.24x = 199,005.54 × 80,550.92
  4. Step 4: Simplify right side
    144,221.24x = 16,030,079,332.10
  5. Step 5: Solve for x
    x = 16,030,079,332.10/144,221.24
  6. Step 6: Final answer
    x = 111,149.23

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1.5x scale

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.