Home / 215,999.62-298,079.66-120,506.34

Finding the Fourth Proportional to 215,999.62, 298,079.66 and 120,506.34

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Solution

The fourth proportional to 215,999.62, 298,079.66 and 120,506.34 is: 166,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,999.62 : 298,079.66 = 120,506.34 : x
  2. Step 2: Convert to fraction form
    215,999.62/298,079.66 = 120,506.34/x
  3. Step 3: Cross multiply
    215,999.62x = 298,079.66 × 120,506.34
  4. Step 4: Simplify right side
    215,999.62x = 35,920,487,364.65
  5. Step 5: Solve for x
    x = 35,920,487,364.65/215,999.62
  6. Step 6: Final answer
    x = 166,298.85

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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.