Home / 89,218.89-133,785.96-51,790.44

Finding the Fourth Proportional to 89,218.89, 133,785.96 and 51,790.44

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Solution

The fourth proportional to 89,218.89, 133,785.96 and 51,790.44 is: 77,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,218.89 : 133,785.96 = 51,790.44 : x
  2. Step 2: Convert to fraction form
    89,218.89/133,785.96 = 51,790.44/x
  3. Step 3: Cross multiply
    89,218.89x = 133,785.96 × 51,790.44
  4. Step 4: Simplify right side
    89,218.89x = 6,928,833,734.22
  5. Step 5: Solve for x
    x = 6,928,833,734.22/89,218.89
  6. Step 6: Final answer
    x = 77,661.06

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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.