Home / 232,255.12-320,511.84-131,653.12

Finding the Fourth Proportional to 232,255.12, 320,511.84 and 131,653.12

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Solution

The fourth proportional to 232,255.12, 320,511.84 and 131,653.12 is: 181,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,255.12 : 320,511.84 = 131,653.12 : x
  2. Step 2: Convert to fraction form
    232,255.12/320,511.84 = 131,653.12/x
  3. Step 3: Cross multiply
    232,255.12x = 320,511.84 × 131,653.12
  4. Step 4: Simplify right side
    232,255.12x = 42,196,383,732.94
  5. Step 5: Solve for x
    x = 42,196,383,732.94/232,255.12
  6. Step 6: Final answer
    x = 181,681.18

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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.