Home / 215,785.44-297,783.90-120,298.23

Finding the Fourth Proportional to 215,785.44, 297,783.90 and 120,298.23

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Solution

The fourth proportional to 215,785.44, 297,783.90 and 120,298.23 is: 166,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,785.44 : 297,783.90 = 120,298.23 : x
  2. Step 2: Convert to fraction form
    215,785.44/297,783.90 = 120,298.23/x
  3. Step 3: Cross multiply
    215,785.44x = 297,783.90 × 120,298.23
  4. Step 4: Simplify right side
    215,785.44x = 35,822,876,092.50
  5. Step 5: Solve for x
    x = 35,822,876,092.50/215,785.44
  6. Step 6: Final answer
    x = 166,011.55

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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.