Home / 105,705.37-158,247.01-70,557.85

Finding the Fourth Proportional to 105,705.37, 158,247.01 and 70,557.85

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Solution

The fourth proportional to 105,705.37, 158,247.01 and 70,557.85 is: 105,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,705.37 : 158,247.01 = 70,557.85 : x
  2. Step 2: Convert to fraction form
    105,705.37/158,247.01 = 70,557.85/x
  3. Step 3: Cross multiply
    105,705.37x = 158,247.01 × 70,557.85
  4. Step 4: Simplify right side
    105,705.37x = 11,165,568,794.53
  5. Step 5: Solve for x
    x = 11,165,568,794.53/105,705.37
  6. Step 6: Final answer
    x = 105,629.15

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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.