Home / 215,952.62-298,023.71-120,459.29

Finding the Fourth Proportional to 215,952.62, 298,023.71 and 120,459.29

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Solution

The fourth proportional to 215,952.62, 298,023.71 and 120,459.29 is: 166,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,952.62 : 298,023.71 = 120,459.29 : x
  2. Step 2: Convert to fraction form
    215,952.62/298,023.71 = 120,459.29/x
  3. Step 3: Cross multiply
    215,952.62x = 298,023.71 × 120,459.29
  4. Step 4: Simplify right side
    215,952.62x = 35,899,722,417.35
  5. Step 5: Solve for x
    x = 35,899,722,417.35/215,952.62
  6. Step 6: Final answer
    x = 166,238.89

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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.