Home / 195,108.75-269,250.08-105,684.75

Finding the Fourth Proportional to 195,108.75, 269,250.08 and 105,684.75

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Solution

The fourth proportional to 195,108.75, 269,250.08 and 105,684.75 is: 145,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,108.75 : 269,250.08 = 105,684.75 : x
  2. Step 2: Convert to fraction form
    195,108.75/269,250.08 = 105,684.75/x
  3. Step 3: Cross multiply
    195,108.75x = 269,250.08 × 105,684.75
  4. Step 4: Simplify right side
    195,108.75x = 28,455,626,863.86
  5. Step 5: Solve for x
    x = 28,455,626,863.86/195,108.75
  6. Step 6: Final answer
    x = 145,844.96

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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.