Home / 122,198.40-183,297.60-120,230.10

Finding the Fourth Proportional to 122,198.40, 183,297.60 and 120,230.10

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Solution

The fourth proportional to 122,198.40, 183,297.60 and 120,230.10 is: 180,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,198.40 : 183,297.60 = 120,230.10 : x
  2. Step 2: Convert to fraction form
    122,198.40/183,297.60 = 120,230.10/x
  3. Step 3: Cross multiply
    122,198.40x = 183,297.60 × 120,230.10
  4. Step 4: Simplify right side
    122,198.40x = 22,037,888,777.76
  5. Step 5: Solve for x
    x = 22,037,888,777.76/122,198.40
  6. Step 6: Final answer
    x = 180,345.15

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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.