Home / 215,911.24-297,958.04-120,424.12

Finding the Fourth Proportional to 215,911.24, 297,958.04 and 120,424.12

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Solution

The fourth proportional to 215,911.24, 297,958.04 and 120,424.12 is: 166,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,911.24 : 297,958.04 = 120,424.12 : x
  2. Step 2: Convert to fraction form
    215,911.24/297,958.04 = 120,424.12/x
  3. Step 3: Cross multiply
    215,911.24x = 297,958.04 × 120,424.12
  4. Step 4: Simplify right side
    215,911.24x = 35,881,334,763.92
  5. Step 5: Solve for x
    x = 35,881,334,763.92/215,911.24
  6. Step 6: Final answer
    x = 166,185.58

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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.