Home / 215,972.20-298,034.94-120,495.07

Finding the Fourth Proportional to 215,972.20, 298,034.94 and 120,495.07

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Solution

The fourth proportional to 215,972.20, 298,034.94 and 120,495.07 is: 166,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,972.20 : 298,034.94 = 120,495.07 : x
  2. Step 2: Convert to fraction form
    215,972.20/298,034.94 = 120,495.07/x
  3. Step 3: Cross multiply
    215,972.20x = 298,034.94 × 120,495.07
  4. Step 4: Simplify right side
    215,972.20x = 35,911,740,957.75
  5. Step 5: Solve for x
    x = 35,911,740,957.75/215,972.20
  6. Step 6: Final answer
    x = 166,279.46

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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.