Home / 220,473.20-304,244.19-129,832.98

Finding the Fourth Proportional to 220,473.20, 304,244.19 and 129,832.98

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Solution

The fourth proportional to 220,473.20, 304,244.19 and 129,832.98 is: 179,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,473.20 : 304,244.19 = 129,832.98 : x
  2. Step 2: Convert to fraction form
    220,473.20/304,244.19 = 129,832.98/x
  3. Step 3: Cross multiply
    220,473.20x = 304,244.19 × 129,832.98
  4. Step 4: Simplify right side
    220,473.20x = 39,500,929,835.39
  5. Step 5: Solve for x
    x = 39,500,929,835.39/220,473.20
  6. Step 6: Final answer
    x = 179,164.32

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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.