Home / 106,378.39-146,801.41-58,631.79

Finding the Fourth Proportional to 106,378.39, 146,801.41 and 58,631.79

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Solution

The fourth proportional to 106,378.39, 146,801.41 and 58,631.79 is: 80,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,378.39 : 146,801.41 = 58,631.79 : x
  2. Step 2: Convert to fraction form
    106,378.39/146,801.41 = 58,631.79/x
  3. Step 3: Cross multiply
    106,378.39x = 146,801.41 × 58,631.79
  4. Step 4: Simplify right side
    106,378.39x = 8,607,229,442.82
  5. Step 5: Solve for x
    x = 8,607,229,442.82/106,378.39
  6. Step 6: Final answer
    x = 80,911.45

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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.