Home / 176,149.45-263,884.09-105,128.81

Finding the Fourth Proportional to 176,149.45, 263,884.09 and 105,128.81

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Solution

The fourth proportional to 176,149.45, 263,884.09 and 105,128.81 is: 157,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,149.45 : 263,884.09 = 105,128.81 : x
  2. Step 2: Convert to fraction form
    176,149.45/263,884.09 = 105,128.81/x
  3. Step 3: Cross multiply
    176,149.45x = 263,884.09 × 105,128.81
  4. Step 4: Simplify right side
    176,149.45x = 27,741,820,359.63
  5. Step 5: Solve for x
    x = 27,741,820,359.63/176,149.45
  6. Step 6: Final answer
    x = 157,490.25

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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.