Home / 120,163.32-180,333.66-56,983.65

Finding the Fourth Proportional to 120,163.32, 180,333.66 and 56,983.65

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Solution

The fourth proportional to 120,163.32, 180,333.66 and 56,983.65 is: 85,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,163.32 : 180,333.66 = 56,983.65 : x
  2. Step 2: Convert to fraction form
    120,163.32/180,333.66 = 56,983.65/x
  3. Step 3: Cross multiply
    120,163.32x = 180,333.66 × 56,983.65
  4. Step 4: Simplify right side
    120,163.32x = 10,276,070,164.66
  5. Step 5: Solve for x
    x = 10,276,070,164.66/120,163.32
  6. Step 6: Final answer
    x = 85,517.53

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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.