Home / 215,537.92-297,431.04-120,042.88

Finding the Fourth Proportional to 215,537.92, 297,431.04 and 120,042.88

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Solution

The fourth proportional to 215,537.92, 297,431.04 and 120,042.88 is: 165,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,537.92 : 297,431.04 = 120,042.88 : x
  2. Step 2: Convert to fraction form
    215,537.92/297,431.04 = 120,042.88/x
  3. Step 3: Cross multiply
    215,537.92x = 297,431.04 × 120,042.88
  4. Step 4: Simplify right side
    215,537.92x = 35,704,478,643.00
  5. Step 5: Solve for x
    x = 35,704,478,643.00/215,537.92
  6. Step 6: Final answer
    x = 165,652.89

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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.