Home / 136,124.64-187,839.36-126,093.60

Finding the Fourth Proportional to 136,124.64, 187,839.36 and 126,093.60

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Solution

The fourth proportional to 136,124.64, 187,839.36 and 126,093.60 is: 173,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,124.64 : 187,839.36 = 126,093.60 : x
  2. Step 2: Convert to fraction form
    136,124.64/187,839.36 = 126,093.60/x
  3. Step 3: Cross multiply
    136,124.64x = 187,839.36 × 126,093.60
  4. Step 4: Simplify right side
    136,124.64x = 23,685,341,124.10
  5. Step 5: Solve for x
    x = 23,685,341,124.10/136,124.64
  6. Step 6: Final answer
    x = 173,997.46

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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.