Home / 120,056.22-180,027.81-70,150.73

Finding the Fourth Proportional to 120,056.22, 180,027.81 and 70,150.73

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Solution

The fourth proportional to 120,056.22, 180,027.81 and 70,150.73 is: 105,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,056.22 : 180,027.81 = 70,150.73 : x
  2. Step 2: Convert to fraction form
    120,056.22/180,027.81 = 70,150.73/x
  3. Step 3: Cross multiply
    120,056.22x = 180,027.81 × 70,150.73
  4. Step 4: Simplify right side
    120,056.22x = 12,629,081,391.66
  5. Step 5: Solve for x
    x = 12,629,081,391.66/120,056.22
  6. Step 6: Final answer
    x = 105,193.06

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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.