Home / 220,314.44-304,026.94-129,649.52

Finding the Fourth Proportional to 220,314.44, 304,026.94 and 129,649.52

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Solution

The fourth proportional to 220,314.44, 304,026.94 and 129,649.52 is: 178,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,314.44 : 304,026.94 = 129,649.52 : x
  2. Step 2: Convert to fraction form
    220,314.44/304,026.94 = 129,649.52/x
  3. Step 3: Cross multiply
    220,314.44x = 304,026.94 × 129,649.52
  4. Step 4: Simplify right side
    220,314.44x = 39,416,946,838.07
  5. Step 5: Solve for x
    x = 39,416,946,838.07/220,314.44
  6. Step 6: Final answer
    x = 178,912.23

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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.