Home / 106,286.97-159,432.84-39,690.77

Finding the Fourth Proportional to 106,286.97, 159,432.84 and 39,690.77

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Solution

The fourth proportional to 106,286.97, 159,432.84 and 39,690.77 is: 59,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,286.97 : 159,432.84 = 39,690.77 : x
  2. Step 2: Convert to fraction form
    106,286.97/159,432.84 = 39,690.77/x
  3. Step 3: Cross multiply
    106,286.97x = 159,432.84 × 39,690.77
  4. Step 4: Simplify right side
    106,286.97x = 6,328,011,385.72
  5. Step 5: Solve for x
    x = 6,328,011,385.72/106,286.97
  6. Step 6: Final answer
    x = 59,537.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.