Home / 118,576.20-176,998.65-103,629

Finding the Fourth Proportional to 118,576.20, 176,998.65 and 103,629

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Solution

The fourth proportional to 118,576.20, 176,998.65 and 103,629 is: 154,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,576.20 : 176,998.65 = 103,629 : x
  2. Step 2: Convert to fraction form
    118,576.20/176,998.65 = 103,629/x
  3. Step 3: Cross multiply
    118,576.20x = 176,998.65 × 103,629
  4. Step 4: Simplify right side
    118,576.20x = 18,342,193,100.85
  5. Step 5: Solve for x
    x = 18,342,193,100.85/118,576.20
  6. Step 6: Final answer
    x = 154,686.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.