Home / 144,640.29-199,596.92-80,105.16

Finding the Fourth Proportional to 144,640.29, 199,596.92 and 80,105.16

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Solution

The fourth proportional to 144,640.29, 199,596.92 and 80,105.16 is: 110,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,640.29 : 199,596.92 = 80,105.16 : x
  2. Step 2: Convert to fraction form
    144,640.29/199,596.92 = 80,105.16/x
  3. Step 3: Cross multiply
    144,640.29x = 199,596.92 × 80,105.16
  4. Step 4: Simplify right side
    144,640.29x = 15,988,742,811.58
  5. Step 5: Solve for x
    x = 15,988,742,811.58/144,640.29
  6. Step 6: Final answer
    x = 110,541.42

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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.