Home / 144,228.96-199,027.20-80,570.88

Finding the Fourth Proportional to 144,228.96, 199,027.20 and 80,570.88

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Solution

The fourth proportional to 144,228.96, 199,027.20 and 80,570.88 is: 111,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,228.96 : 199,027.20 = 80,570.88 : x
  2. Step 2: Convert to fraction form
    144,228.96/199,027.20 = 80,570.88/x
  3. Step 3: Cross multiply
    144,228.96x = 199,027.20 × 80,570.88
  4. Step 4: Simplify right side
    144,228.96x = 16,035,796,647.94
  5. Step 5: Solve for x
    x = 16,035,796,647.94/144,228.96
  6. Step 6: Final answer
    x = 111,182.92

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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.