Home / 114,949.26-172,199.70-64,877.88

Finding the Fourth Proportional to 114,949.26, 172,199.70 and 64,877.88

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Solution

The fourth proportional to 114,949.26, 172,199.70 and 64,877.88 is: 97,190.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,949.26 : 172,199.70 = 64,877.88 : x
  2. Step 2: Convert to fraction form
    114,949.26/172,199.70 = 64,877.88/x
  3. Step 3: Cross multiply
    114,949.26x = 172,199.70 × 64,877.88
  4. Step 4: Simplify right side
    114,949.26x = 11,171,951,472.64
  5. Step 5: Solve for x
    x = 11,171,951,472.64/114,949.26
  6. Step 6: Final answer
    x = 97,190.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.