Home / 215,814.40-297,825.12-120,327.04

Finding the Fourth Proportional to 215,814.40, 297,825.12 and 120,327.04

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Solution

The fourth proportional to 215,814.40, 297,825.12 and 120,327.04 is: 166,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,814.40 : 297,825.12 = 120,327.04 : x
  2. Step 2: Convert to fraction form
    215,814.40/297,825.12 = 120,327.04/x
  3. Step 3: Cross multiply
    215,814.40x = 297,825.12 × 120,327.04
  4. Step 4: Simplify right side
    215,814.40x = 35,836,415,127.24
  5. Step 5: Solve for x
    x = 35,836,415,127.24/215,814.40
  6. Step 6: Final answer
    x = 166,052.01

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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.