Home / 106,076.16-146,386.15-58,329.86

Finding the Fourth Proportional to 106,076.16, 146,386.15 and 58,329.86

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Solution

The fourth proportional to 106,076.16, 146,386.15 and 58,329.86 is: 80,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,076.16 : 146,386.15 = 58,329.86 : x
  2. Step 2: Convert to fraction form
    106,076.16/146,386.15 = 58,329.86/x
  3. Step 3: Cross multiply
    106,076.16x = 146,386.15 × 58,329.86
  4. Step 4: Simplify right side
    106,076.16x = 8,538,682,757.68
  5. Step 5: Solve for x
    x = 8,538,682,757.68/106,076.16
  6. Step 6: Final answer
    x = 80,495.78

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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.