Home / 220,965.63-304,932.56-120,363.63

Finding the Fourth Proportional to 220,965.63, 304,932.56 and 120,363.63

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Solution

The fourth proportional to 220,965.63, 304,932.56 and 120,363.63 is: 166,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,965.63 : 304,932.56 = 120,363.63 : x
  2. Step 2: Convert to fraction form
    220,965.63/304,932.56 = 120,363.63/x
  3. Step 3: Cross multiply
    220,965.63x = 304,932.56 × 120,363.63
  4. Step 4: Simplify right side
    220,965.63x = 36,702,789,826.79
  5. Step 5: Solve for x
    x = 36,702,789,826.79/220,965.63
  6. Step 6: Final answer
    x = 166,101.80

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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.