Home / 106,391.42-146,820.12-58,645.57

Finding the Fourth Proportional to 106,391.42, 146,820.12 and 58,645.57

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Solution

The fourth proportional to 106,391.42, 146,820.12 and 58,645.57 is: 80,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,391.42 : 146,820.12 = 58,645.57 : x
  2. Step 2: Convert to fraction form
    106,391.42/146,820.12 = 58,645.57/x
  3. Step 3: Cross multiply
    106,391.42x = 146,820.12 × 58,645.57
  4. Step 4: Simplify right side
    106,391.42x = 8,610,349,257.43
  5. Step 5: Solve for x
    x = 8,610,349,257.43/106,391.42
  6. Step 6: Final answer
    x = 80,930.86

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1.5x scale

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.