Home / 220,512.36-304,297.80-125,025.48

Finding the Fourth Proportional to 220,512.36, 304,297.80 and 125,025.48

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Solution

The fourth proportional to 220,512.36, 304,297.80 and 125,025.48 is: 172,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,512.36 : 304,297.80 = 125,025.48 : x
  2. Step 2: Convert to fraction form
    220,512.36/304,297.80 = 125,025.48/x
  3. Step 3: Cross multiply
    220,512.36x = 304,297.80 × 125,025.48
  4. Step 4: Simplify right side
    220,512.36x = 38,044,978,507.94
  5. Step 5: Solve for x
    x = 38,044,978,507.94/220,512.36
  6. Step 6: Final answer
    x = 172,529.91

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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.