Home / 215,975.01-298,024.82-120,487.85

Finding the Fourth Proportional to 215,975.01, 298,024.82 and 120,487.85

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Solution

The fourth proportional to 215,975.01, 298,024.82 and 120,487.85 is: 166,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,975.01 : 298,024.82 = 120,487.85 : x
  2. Step 2: Convert to fraction form
    215,975.01/298,024.82 = 120,487.85/x
  3. Step 3: Cross multiply
    215,975.01x = 298,024.82 × 120,487.85
  4. Step 4: Simplify right side
    215,975.01x = 35,908,370,961.69
  5. Step 5: Solve for x
    x = 35,908,370,961.69/215,975.01
  6. Step 6: Final answer
    x = 166,261.70

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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.