Home / 220,344.98-304,116.96-129,696.56

Finding the Fourth Proportional to 220,344.98, 304,116.96 and 129,696.56

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Solution

The fourth proportional to 220,344.98, 304,116.96 and 129,696.56 is: 179,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,344.98 : 304,116.96 = 129,696.56 : x
  2. Step 2: Convert to fraction form
    220,344.98/304,116.96 = 129,696.56/x
  3. Step 3: Cross multiply
    220,344.98x = 304,116.96 × 129,696.56
  4. Step 4: Simplify right side
    220,344.98x = 39,442,923,549.66
  5. Step 5: Solve for x
    x = 39,442,923,549.66/220,344.98
  6. Step 6: Final answer
    x = 179,005.32

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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.