Home / 106,686-147,226.11-58,939.34

Finding the Fourth Proportional to 106,686, 147,226.11 and 58,939.34

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Solution

The fourth proportional to 106,686, 147,226.11 and 58,939.34 is: 81,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,686 : 147,226.11 = 58,939.34 : x
  2. Step 2: Convert to fraction form
    106,686/147,226.11 = 58,939.34/x
  3. Step 3: Cross multiply
    106,686x = 147,226.11 × 58,939.34
  4. Step 4: Simplify right side
    106,686x = 8,677,409,018.04
  5. Step 5: Solve for x
    x = 8,677,409,018.04/106,686
  6. Step 6: Final answer
    x = 81,335.97

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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.