Home / 141,313.20-211,969.80-122,286.30

Finding the Fourth Proportional to 141,313.20, 211,969.80 and 122,286.30

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Solution

The fourth proportional to 141,313.20, 211,969.80 and 122,286.30 is: 183,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.20 : 211,969.80 = 122,286.30 : x
  2. Step 2: Convert to fraction form
    141,313.20/211,969.80 = 122,286.30/x
  3. Step 3: Cross multiply
    141,313.20x = 211,969.80 × 122,286.30
  4. Step 4: Simplify right side
    141,313.20x = 25,921,002,553.74
  5. Step 5: Solve for x
    x = 25,921,002,553.74/141,313.20
  6. Step 6: Final answer
    x = 183,429.45

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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.