Home / 149,438.96-206,225.77-82,370.96

Finding the Fourth Proportional to 149,438.96, 206,225.77 and 82,370.96

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Solution

The fourth proportional to 149,438.96, 206,225.77 and 82,370.96 is: 113,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,438.96 : 206,225.77 = 82,370.96 : x
  2. Step 2: Convert to fraction form
    149,438.96/206,225.77 = 82,370.96/x
  3. Step 3: Cross multiply
    149,438.96x = 206,225.77 × 82,370.96
  4. Step 4: Simplify right side
    149,438.96x = 16,987,014,651.64
  5. Step 5: Solve for x
    x = 16,987,014,651.64/149,438.96
  6. Step 6: Final answer
    x = 113,671.93

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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.