Home / 118,431.36-177,717-43,604.04

Finding the Fourth Proportional to 118,431.36, 177,717 and 43,604.04

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Solution

The fourth proportional to 118,431.36, 177,717 and 43,604.04 is: 65,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,431.36 : 177,717 = 43,604.04 : x
  2. Step 2: Convert to fraction form
    118,431.36/177,717 = 43,604.04/x
  3. Step 3: Cross multiply
    118,431.36x = 177,717 × 43,604.04
  4. Step 4: Simplify right side
    118,431.36x = 7,749,179,176.68
  5. Step 5: Solve for x
    x = 7,749,179,176.68/118,431.36
  6. Step 6: Final answer
    x = 65,431.82

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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.