Home / 215,920.44-297,970.64-120,433.32

Finding the Fourth Proportional to 215,920.44, 297,970.64 and 120,433.32

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Solution

The fourth proportional to 215,920.44, 297,970.64 and 120,433.32 is: 166,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,920.44 : 297,970.64 = 120,433.32 : x
  2. Step 2: Convert to fraction form
    215,920.44/297,970.64 = 120,433.32/x
  3. Step 3: Cross multiply
    215,920.44x = 297,970.64 × 120,433.32
  4. Step 4: Simplify right side
    215,920.44x = 35,885,592,835.56
  5. Step 5: Solve for x
    x = 35,885,592,835.56/215,920.44
  6. Step 6: Final answer
    x = 166,198.22

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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.