Home / 215,310.08-297,121.92-119,820.16

Finding the Fourth Proportional to 215,310.08, 297,121.92 and 119,820.16

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Solution

The fourth proportional to 215,310.08, 297,121.92 and 119,820.16 is: 165,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,310.08 : 297,121.92 = 119,820.16 : x
  2. Step 2: Convert to fraction form
    215,310.08/297,121.92 = 119,820.16/x
  3. Step 3: Cross multiply
    215,310.08x = 297,121.92 × 119,820.16
  4. Step 4: Simplify right side
    215,310.08x = 35,601,195,993.91
  5. Step 5: Solve for x
    x = 35,601,195,993.91/215,310.08
  6. Step 6: Final answer
    x = 165,348.49

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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.