Home / 149,446.24-206,232.15-81,465.10

Finding the Fourth Proportional to 149,446.24, 206,232.15 and 81,465.10

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Solution

The fourth proportional to 149,446.24, 206,232.15 and 81,465.10 is: 112,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,446.24 : 206,232.15 = 81,465.10 : x
  2. Step 2: Convert to fraction form
    149,446.24/206,232.15 = 81,465.10/x
  3. Step 3: Cross multiply
    149,446.24x = 206,232.15 × 81,465.10
  4. Step 4: Simplify right side
    149,446.24x = 16,800,722,722.97
  5. Step 5: Solve for x
    x = 16,800,722,722.97/149,446.24
  6. Step 6: Final answer
    x = 112,419.84

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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.