Home / 149,493.74-206,291.55-82,426.22

Finding the Fourth Proportional to 149,493.74, 206,291.55 and 82,426.22

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Solution

The fourth proportional to 149,493.74, 206,291.55 and 82,426.22 is: 113,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,493.74 : 206,291.55 = 82,426.22 : x
  2. Step 2: Convert to fraction form
    149,493.74/206,291.55 = 82,426.22/x
  3. Step 3: Cross multiply
    149,493.74x = 206,291.55 × 82,426.22
  4. Step 4: Simplify right side
    149,493.74x = 17,003,832,684.44
  5. Step 5: Solve for x
    x = 17,003,832,684.44/149,493.74
  6. Step 6: Final answer
    x = 113,742.77

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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.