Home / 220,682.36-304,538.70-120,080.12

Finding the Fourth Proportional to 220,682.36, 304,538.70 and 120,080.12

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Solution

The fourth proportional to 220,682.36, 304,538.70 and 120,080.12 is: 165,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,682.36 : 304,538.70 = 120,080.12 : x
  2. Step 2: Convert to fraction form
    220,682.36/304,538.70 = 120,080.12/x
  3. Step 3: Cross multiply
    220,682.36x = 304,538.70 × 120,080.12
  4. Step 4: Simplify right side
    220,682.36x = 36,569,043,640.64
  5. Step 5: Solve for x
    x = 36,569,043,640.64/220,682.36
  6. Step 6: Final answer
    x = 165,708.96

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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.