Home / 215,446.56-323,317.41-75,205.18

Finding the Fourth Proportional to 215,446.56, 323,317.41 and 75,205.18

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Solution

The fourth proportional to 215,446.56, 323,317.41 and 75,205.18 is: 112,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,446.56 : 323,317.41 = 75,205.18 : x
  2. Step 2: Convert to fraction form
    215,446.56/323,317.41 = 75,205.18/x
  3. Step 3: Cross multiply
    215,446.56x = 323,317.41 × 75,205.18
  4. Step 4: Simplify right side
    215,446.56x = 24,315,144,016.18
  5. Step 5: Solve for x
    x = 24,315,144,016.18/215,446.56
  6. Step 6: Final answer
    x = 112,859.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.