Home / 135,785.20-203,459.10-113,477.80

Finding the Fourth Proportional to 135,785.20, 203,459.10 and 113,477.80

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Solution

The fourth proportional to 135,785.20, 203,459.10 and 113,477.80 is: 170,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,785.20 : 203,459.10 = 113,477.80 : x
  2. Step 2: Convert to fraction form
    135,785.20/203,459.10 = 113,477.80/x
  3. Step 3: Cross multiply
    135,785.20x = 203,459.10 × 113,477.80
  4. Step 4: Simplify right side
    135,785.20x = 23,088,091,057.98
  5. Step 5: Solve for x
    x = 23,088,091,057.98/135,785.20
  6. Step 6: Final answer
    x = 170,033.93

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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.