Home / 213,836.88-295,022.76-123,190.49

Finding the Fourth Proportional to 213,836.88, 295,022.76 and 123,190.49

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Solution

The fourth proportional to 213,836.88, 295,022.76 and 123,190.49 is: 169,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,836.88 : 295,022.76 = 123,190.49 : x
  2. Step 2: Convert to fraction form
    213,836.88/295,022.76 = 123,190.49/x
  3. Step 3: Cross multiply
    213,836.88x = 295,022.76 × 123,190.49
  4. Step 4: Simplify right side
    213,836.88x = 36,343,996,981.64
  5. Step 5: Solve for x
    x = 36,343,996,981.64/213,836.88
  6. Step 6: Final answer
    x = 169,961.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.