Home / 129,744.79-178,782.09-95,699.37

Finding the Fourth Proportional to 129,744.79, 178,782.09 and 95,699.37

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Solution

The fourth proportional to 129,744.79, 178,782.09 and 95,699.37 is: 131,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,744.79 : 178,782.09 = 95,699.37 : x
  2. Step 2: Convert to fraction form
    129,744.79/178,782.09 = 95,699.37/x
  3. Step 3: Cross multiply
    129,744.79x = 178,782.09 × 95,699.37
  4. Step 4: Simplify right side
    129,744.79x = 17,109,333,691.84
  5. Step 5: Solve for x
    x = 17,109,333,691.84/129,744.79
  6. Step 6: Final answer
    x = 131,869.14

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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.