Home / 215,928.56-297,981.93-120,441.44

Finding the Fourth Proportional to 215,928.56, 297,981.93 and 120,441.44

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Solution

The fourth proportional to 215,928.56, 297,981.93 and 120,441.44 is: 166,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,928.56 : 297,981.93 = 120,441.44 : x
  2. Step 2: Convert to fraction form
    215,928.56/297,981.93 = 120,441.44/x
  3. Step 3: Cross multiply
    215,928.56x = 297,981.93 × 120,441.44
  4. Step 4: Simplify right side
    215,928.56x = 35,889,372,743.18
  5. Step 5: Solve for x
    x = 35,889,372,743.18/215,928.56
  6. Step 6: Final answer
    x = 166,209.48

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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.