Home / 215,929.56-297,983.31-120,442.44

Finding the Fourth Proportional to 215,929.56, 297,983.31 and 120,442.44

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Solution

The fourth proportional to 215,929.56, 297,983.31 and 120,442.44 is: 166,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,929.56 : 297,983.31 = 120,442.44 : x
  2. Step 2: Convert to fraction form
    215,929.56/297,983.31 = 120,442.44/x
  3. Step 3: Cross multiply
    215,929.56x = 297,983.31 × 120,442.44
  4. Step 4: Simplify right side
    215,929.56x = 35,889,836,935.68
  5. Step 5: Solve for x
    x = 35,889,836,935.68/215,929.56
  6. Step 6: Final answer
    x = 166,210.86

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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.