Home / 215,736.64-297,726.78-120,244.06

Finding the Fourth Proportional to 215,736.64, 297,726.78 and 120,244.06

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Solution

The fourth proportional to 215,736.64, 297,726.78 and 120,244.06 is: 165,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,736.64 : 297,726.78 = 120,244.06 : x
  2. Step 2: Convert to fraction form
    215,736.64/297,726.78 = 120,244.06/x
  3. Step 3: Cross multiply
    215,736.64x = 297,726.78 × 120,244.06
  4. Step 4: Simplify right side
    215,736.64x = 35,799,876,797.93
  5. Step 5: Solve for x
    x = 35,799,876,797.93/215,736.64
  6. Step 6: Final answer
    x = 165,942.50

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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.