Home / 136,046.89-204,072.39-51,811.72

Finding the Fourth Proportional to 136,046.89, 204,072.39 and 51,811.72

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Solution

The fourth proportional to 136,046.89, 204,072.39 and 51,811.72 is: 77,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,046.89 : 204,072.39 = 51,811.72 : x
  2. Step 2: Convert to fraction form
    136,046.89/204,072.39 = 51,811.72/x
  3. Step 3: Cross multiply
    136,046.89x = 204,072.39 × 51,811.72
  4. Step 4: Simplify right side
    136,046.89x = 10,573,341,530.41
  5. Step 5: Solve for x
    x = 10,573,341,530.41/136,046.89
  6. Step 6: Final answer
    x = 77,718.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.