Home / 225,727.08-311,603.58-144,162.12

Finding the Fourth Proportional to 225,727.08, 311,603.58 and 144,162.12

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Solution

The fourth proportional to 225,727.08, 311,603.58 and 144,162.12 is: 199,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,727.08 : 311,603.58 = 144,162.12 : x
  2. Step 2: Convert to fraction form
    225,727.08/311,603.58 = 144,162.12/x
  3. Step 3: Cross multiply
    225,727.08x = 311,603.58 × 144,162.12
  4. Step 4: Simplify right side
    225,727.08x = 44,921,432,692.39
  5. Step 5: Solve for x
    x = 44,921,432,692.39/225,727.08
  6. Step 6: Final answer
    x = 199,007.73

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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.