Home / 120,110.87-180,025.56-48,989.12

Finding the Fourth Proportional to 120,110.87, 180,025.56 and 48,989.12

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Solution

The fourth proportional to 120,110.87, 180,025.56 and 48,989.12 is: 73,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,110.87 : 180,025.56 = 48,989.12 : x
  2. Step 2: Convert to fraction form
    120,110.87/180,025.56 = 48,989.12/x
  3. Step 3: Cross multiply
    120,110.87x = 180,025.56 × 48,989.12
  4. Step 4: Simplify right side
    120,110.87x = 8,819,292,861.78
  5. Step 5: Solve for x
    x = 8,819,292,861.78/120,110.87
  6. Step 6: Final answer
    x = 73,426.27

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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.