Home / 102,767.88-141,801.51-57,431.37

Finding the Fourth Proportional to 102,767.88, 141,801.51 and 57,431.37

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Solution

The fourth proportional to 102,767.88, 141,801.51 and 57,431.37 is: 79,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,767.88 : 141,801.51 = 57,431.37 : x
  2. Step 2: Convert to fraction form
    102,767.88/141,801.51 = 57,431.37/x
  3. Step 3: Cross multiply
    102,767.88x = 141,801.51 × 57,431.37
  4. Step 4: Simplify right side
    102,767.88x = 8,143,854,278.36
  5. Step 5: Solve for x
    x = 8,143,854,278.36/102,767.88
  6. Step 6: Final answer
    x = 79,245.14

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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.