Home / 149,379.04-206,142.06-82,311.04

Finding the Fourth Proportional to 149,379.04, 206,142.06 and 82,311.04

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Solution

The fourth proportional to 149,379.04, 206,142.06 and 82,311.04 is: 113,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,379.04 : 206,142.06 = 82,311.04 : x
  2. Step 2: Convert to fraction form
    149,379.04/206,142.06 = 82,311.04/x
  3. Step 3: Cross multiply
    149,379.04x = 206,142.06 × 82,311.04
  4. Step 4: Simplify right side
    149,379.04x = 16,967,767,346.34
  5. Step 5: Solve for x
    x = 16,967,767,346.34/149,379.04
  6. Step 6: Final answer
    x = 113,588.68

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1.5x scale

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.