Home / 106,505.31-146,977.82-58,758.64

Finding the Fourth Proportional to 106,505.31, 146,977.82 and 58,758.64

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Solution

The fourth proportional to 106,505.31, 146,977.82 and 58,758.64 is: 81,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,505.31 : 146,977.82 = 58,758.64 : x
  2. Step 2: Convert to fraction form
    106,505.31/146,977.82 = 58,758.64/x
  3. Step 3: Cross multiply
    106,505.31x = 146,977.82 × 58,758.64
  4. Step 4: Simplify right side
    106,505.31x = 8,636,216,813.36
  5. Step 5: Solve for x
    x = 8,636,216,813.36/106,505.31
  6. Step 6: Final answer
    x = 81,087.19

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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.