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Finding the Fourth Proportional to 149,358.40, 206,104.98 and 88,933.48

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Solution

The fourth proportional to 149,358.40, 206,104.98 and 88,933.48 is: 122,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,358.40 : 206,104.98 = 88,933.48 : x
  2. Step 2: Convert to fraction form
    149,358.40/206,104.98 = 88,933.48/x
  3. Step 3: Cross multiply
    149,358.40x = 206,104.98 × 88,933.48
  4. Step 4: Simplify right side
    149,358.40x = 18,329,633,116.73
  5. Step 5: Solve for x
    x = 18,329,633,116.73/149,358.40
  6. Step 6: Final answer
    x = 122,722.48

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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.