Home / 195,787.52-269,948.16-165,520.64

Finding the Fourth Proportional to 195,787.52, 269,948.16 and 165,520.64

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Solution

The fourth proportional to 195,787.52, 269,948.16 and 165,520.64 is: 228,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,787.52 : 269,948.16 = 165,520.64 : x
  2. Step 2: Convert to fraction form
    195,787.52/269,948.16 = 165,520.64/x
  3. Step 3: Cross multiply
    195,787.52x = 269,948.16 × 165,520.64
  4. Step 4: Simplify right side
    195,787.52x = 44,681,992,210.02
  5. Step 5: Solve for x
    x = 44,681,992,210.02/195,787.52
  6. Step 6: Final answer
    x = 228,216.75

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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.