Home / 136,892.43-188,911.24-76,463.19

Finding the Fourth Proportional to 136,892.43, 188,911.24 and 76,463.19

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Solution

The fourth proportional to 136,892.43, 188,911.24 and 76,463.19 is: 105,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,892.43 : 188,911.24 = 76,463.19 : x
  2. Step 2: Convert to fraction form
    136,892.43/188,911.24 = 76,463.19/x
  3. Step 3: Cross multiply
    136,892.43x = 188,911.24 × 76,463.19
  4. Step 4: Simplify right side
    136,892.43x = 14,444,755,846.10
  5. Step 5: Solve for x
    x = 14,444,755,846.10/136,892.43
  6. Step 6: Final answer
    x = 105,519.03

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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.