Home / 136,786.08-205,107.66-61,870.44

Finding the Fourth Proportional to 136,786.08, 205,107.66 and 61,870.44

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Solution

The fourth proportional to 136,786.08, 205,107.66 and 61,870.44 is: 92,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,786.08 : 205,107.66 = 61,870.44 : x
  2. Step 2: Convert to fraction form
    136,786.08/205,107.66 = 61,870.44/x
  3. Step 3: Cross multiply
    136,786.08x = 205,107.66 × 61,870.44
  4. Step 4: Simplify right side
    136,786.08x = 12,690,101,171.57
  5. Step 5: Solve for x
    x = 12,690,101,171.57/136,786.08
  6. Step 6: Final answer
    x = 92,773.34

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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.