Home / 144,465.03-199,363.01-80,808.75

Finding the Fourth Proportional to 144,465.03, 199,363.01 and 80,808.75

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Solution

The fourth proportional to 144,465.03, 199,363.01 and 80,808.75 is: 111,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,465.03 : 199,363.01 = 80,808.75 : x
  2. Step 2: Convert to fraction form
    144,465.03/199,363.01 = 80,808.75/x
  3. Step 3: Cross multiply
    144,465.03x = 199,363.01 × 80,808.75
  4. Step 4: Simplify right side
    144,465.03x = 16,110,275,230.29
  5. Step 5: Solve for x
    x = 16,110,275,230.29/144,465.03
  6. Step 6: Final answer
    x = 111,516.78

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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.