Home / 106,215.14-146,559.72-60,884.78

Finding the Fourth Proportional to 106,215.14, 146,559.72 and 60,884.78

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Solution

The fourth proportional to 106,215.14, 146,559.72 and 60,884.78 is: 84,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,215.14 : 146,559.72 = 60,884.78 : x
  2. Step 2: Convert to fraction form
    106,215.14/146,559.72 = 60,884.78/x
  3. Step 3: Cross multiply
    106,215.14x = 146,559.72 × 60,884.78
  4. Step 4: Simplify right side
    106,215.14x = 8,923,256,309.06
  5. Step 5: Solve for x
    x = 8,923,256,309.06/106,215.14
  6. Step 6: Final answer
    x = 84,011.15

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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.