Home / 102,726.33-141,759.60-57,404.68

Finding the Fourth Proportional to 102,726.33, 141,759.60 and 57,404.68

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Solution

The fourth proportional to 102,726.33, 141,759.60 and 57,404.68 is: 79,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,726.33 : 141,759.60 = 57,404.68 : x
  2. Step 2: Convert to fraction form
    102,726.33/141,759.60 = 57,404.68/x
  3. Step 3: Cross multiply
    102,726.33x = 141,759.60 × 57,404.68
  4. Step 4: Simplify right side
    102,726.33x = 8,137,664,474.93
  5. Step 5: Solve for x
    x = 8,137,664,474.93/102,726.33
  6. Step 6: Final answer
    x = 79,216.93

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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.