Home / 215,387.14-323,080.77-96,920.09

Finding the Fourth Proportional to 215,387.14, 323,080.77 and 96,920.09

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Solution

The fourth proportional to 215,387.14, 323,080.77 and 96,920.09 is: 145,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,387.14 : 323,080.77 = 96,920.09 : x
  2. Step 2: Convert to fraction form
    215,387.14/323,080.77 = 96,920.09/x
  3. Step 3: Cross multiply
    215,387.14x = 323,080.77 × 96,920.09
  4. Step 4: Simplify right side
    215,387.14x = 31,313,017,305.67
  5. Step 5: Solve for x
    x = 31,313,017,305.67/215,387.14
  6. Step 6: Final answer
    x = 145,380.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.