Home / 120,331.76-180,536.52-50,231.12

Finding the Fourth Proportional to 120,331.76, 180,536.52 and 50,231.12

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Solution

The fourth proportional to 120,331.76, 180,536.52 and 50,231.12 is: 75,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,331.76 : 180,536.52 = 50,231.12 : x
  2. Step 2: Convert to fraction form
    120,331.76/180,536.52 = 50,231.12/x
  3. Step 3: Cross multiply
    120,331.76x = 180,536.52 × 50,231.12
  4. Step 4: Simplify right side
    120,331.76x = 9,068,551,600.50
  5. Step 5: Solve for x
    x = 9,068,551,600.50/120,331.76
  6. Step 6: Final answer
    x = 75,362.91

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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.