Home / 215,086.07-322,672.21-120,450.87

Finding the Fourth Proportional to 215,086.07, 322,672.21 and 120,450.87

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Solution

The fourth proportional to 215,086.07, 322,672.21 and 120,450.87 is: 180,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,086.07 : 322,672.21 = 120,450.87 : x
  2. Step 2: Convert to fraction form
    215,086.07/322,672.21 = 120,450.87/x
  3. Step 3: Cross multiply
    215,086.07x = 322,672.21 × 120,450.87
  4. Step 4: Simplify right side
    215,086.07x = 38,866,148,118.20
  5. Step 5: Solve for x
    x = 38,866,148,118.20/215,086.07
  6. Step 6: Final answer
    x = 180,700.44

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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.