Home / 102,727.33-141,760.98-57,405.68

Finding the Fourth Proportional to 102,727.33, 141,760.98 and 57,405.68

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Solution

The fourth proportional to 102,727.33, 141,760.98 and 57,405.68 is: 79,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,727.33 : 141,760.98 = 57,405.68 : x
  2. Step 2: Convert to fraction form
    102,727.33/141,760.98 = 57,405.68/x
  3. Step 3: Cross multiply
    102,727.33x = 141,760.98 × 57,405.68
  4. Step 4: Simplify right side
    102,727.33x = 8,137,885,454.37
  5. Step 5: Solve for x
    x = 8,137,885,454.37/102,727.33
  6. Step 6: Final answer
    x = 79,218.31

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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.