Home / 89,218.26-133,785.02-51,789.82

Finding the Fourth Proportional to 89,218.26, 133,785.02 and 51,789.82

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Solution

The fourth proportional to 89,218.26, 133,785.02 and 51,789.82 is: 77,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,218.26 : 133,785.02 = 51,789.82 : x
  2. Step 2: Convert to fraction form
    89,218.26/133,785.02 = 51,789.82/x
  3. Step 3: Cross multiply
    89,218.26x = 133,785.02 × 51,789.82
  4. Step 4: Simplify right side
    89,218.26x = 6,928,701,899.51
  5. Step 5: Solve for x
    x = 6,928,701,899.51/89,218.26
  6. Step 6: Final answer
    x = 77,660.13

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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.