Home / 144,289.92-199,116.27-80,628.24

Finding the Fourth Proportional to 144,289.92, 199,116.27 and 80,628.24

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Solution

The fourth proportional to 144,289.92, 199,116.27 and 80,628.24 is: 111,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,289.92 : 199,116.27 = 80,628.24 : x
  2. Step 2: Convert to fraction form
    144,289.92/199,116.27 = 80,628.24/x
  3. Step 3: Cross multiply
    144,289.92x = 199,116.27 × 80,628.24
  4. Step 4: Simplify right side
    144,289.92x = 16,054,394,405.46
  5. Step 5: Solve for x
    x = 16,054,394,405.46/144,289.92
  6. Step 6: Final answer
    x = 111,264.84

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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.