Home / 215,618.06-297,553.03-120,131.01

Finding the Fourth Proportional to 215,618.06, 297,553.03 and 120,131.01

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Solution

The fourth proportional to 215,618.06, 297,553.03 and 120,131.01 is: 165,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,618.06 : 297,553.03 = 120,131.01 : x
  2. Step 2: Convert to fraction form
    215,618.06/297,553.03 = 120,131.01/x
  3. Step 3: Cross multiply
    215,618.06x = 297,553.03 × 120,131.01
  4. Step 4: Simplify right side
    215,618.06x = 35,745,345,722.13
  5. Step 5: Solve for x
    x = 35,745,345,722.13/215,618.06
  6. Step 6: Final answer
    x = 165,780.85

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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.