Home / 215,939.64-297,997.80-119,146.84

Finding the Fourth Proportional to 215,939.64, 297,997.80 and 119,146.84

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Solution

The fourth proportional to 215,939.64, 297,997.80 and 119,146.84 is: 164,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,939.64 : 297,997.80 = 119,146.84 : x
  2. Step 2: Convert to fraction form
    215,939.64/297,997.80 = 119,146.84/x
  3. Step 3: Cross multiply
    215,939.64x = 297,997.80 × 119,146.84
  4. Step 4: Simplify right side
    215,939.64x = 35,505,496,196.95
  5. Step 5: Solve for x
    x = 35,505,496,196.95/215,939.64
  6. Step 6: Final answer
    x = 164,423.24

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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.