Home / 149,727.20-206,596.32-89,301.20

Finding the Fourth Proportional to 149,727.20, 206,596.32 and 89,301.20

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Solution

The fourth proportional to 149,727.20, 206,596.32 and 89,301.20 is: 123,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,727.20 : 206,596.32 = 89,301.20 : x
  2. Step 2: Convert to fraction form
    149,727.20/206,596.32 = 89,301.20/x
  3. Step 3: Cross multiply
    149,727.20x = 206,596.32 × 89,301.20
  4. Step 4: Simplify right side
    149,727.20x = 18,449,299,291.58
  5. Step 5: Solve for x
    x = 18,449,299,291.58/149,727.20
  6. Step 6: Final answer
    x = 123,219.42

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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.