Home / 215,947.08-298,003.50-120,451.32

Finding the Fourth Proportional to 215,947.08, 298,003.50 and 120,451.32

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Solution

The fourth proportional to 215,947.08, 298,003.50 and 120,451.32 is: 166,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,947.08 : 298,003.50 = 120,451.32 : x
  2. Step 2: Convert to fraction form
    215,947.08/298,003.50 = 120,451.32/x
  3. Step 3: Cross multiply
    215,947.08x = 298,003.50 × 120,451.32
  4. Step 4: Simplify right side
    215,947.08x = 35,894,914,939.62
  5. Step 5: Solve for x
    x = 35,894,914,939.62/215,947.08
  6. Step 6: Final answer
    x = 166,220.89

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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.