Home / 136,546.94-188,435.61-76,121.41

Finding the Fourth Proportional to 136,546.94, 188,435.61 and 76,121.41

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Solution

The fourth proportional to 136,546.94, 188,435.61 and 76,121.41 is: 105,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,546.94 : 188,435.61 = 76,121.41 : x
  2. Step 2: Convert to fraction form
    136,546.94/188,435.61 = 76,121.41/x
  3. Step 3: Cross multiply
    136,546.94x = 188,435.61 × 76,121.41
  4. Step 4: Simplify right side
    136,546.94x = 14,343,984,327.41
  5. Step 5: Solve for x
    x = 14,343,984,327.41/136,546.94
  6. Step 6: Final answer
    x = 105,048.01

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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.