Home / 195,464.64-269,718.40-109,428.32

Finding the Fourth Proportional to 195,464.64, 269,718.40 and 109,428.32

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Solution

The fourth proportional to 195,464.64, 269,718.40 and 109,428.32 is: 150,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,464.64 : 269,718.40 = 109,428.32 : x
  2. Step 2: Convert to fraction form
    195,464.64/269,718.40 = 109,428.32/x
  3. Step 3: Cross multiply
    195,464.64x = 269,718.40 × 109,428.32
  4. Step 4: Simplify right side
    195,464.64x = 29,514,831,385.09
  5. Step 5: Solve for x
    x = 29,514,831,385.09/195,464.64
  6. Step 6: Final answer
    x = 150,998.32

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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.