Home / 137,908.08-190,164.24-125,835.84

Finding the Fourth Proportional to 137,908.08, 190,164.24 and 125,835.84

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Solution

The fourth proportional to 137,908.08, 190,164.24 and 125,835.84 is: 173,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,908.08 : 190,164.24 = 125,835.84 : x
  2. Step 2: Convert to fraction form
    137,908.08/190,164.24 = 125,835.84/x
  3. Step 3: Cross multiply
    137,908.08x = 190,164.24 × 125,835.84
  4. Step 4: Simplify right side
    137,908.08x = 23,929,476,878.36
  5. Step 5: Solve for x
    x = 23,929,476,878.36/137,908.08
  6. Step 6: Final answer
    x = 173,517.58

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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.