Home / 215,944.11-297,965.97-125,279.29

Finding the Fourth Proportional to 215,944.11, 297,965.97 and 125,279.29

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Solution

The fourth proportional to 215,944.11, 297,965.97 and 125,279.29 is: 172,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,944.11 : 297,965.97 = 125,279.29 : x
  2. Step 2: Convert to fraction form
    215,944.11/297,965.97 = 125,279.29/x
  3. Step 3: Cross multiply
    215,944.11x = 297,965.97 × 125,279.29
  4. Step 4: Simplify right side
    215,944.11x = 37,328,964,539.36
  5. Step 5: Solve for x
    x = 37,328,964,539.36/215,944.11
  6. Step 6: Final answer
    x = 172,864.01

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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.