Home / 198,174.16-297,260.42-71,784.82

Finding the Fourth Proportional to 198,174.16, 297,260.42 and 71,784.82

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Solution

The fourth proportional to 198,174.16, 297,260.42 and 71,784.82 is: 107,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,174.16 : 297,260.42 = 71,784.82 : x
  2. Step 2: Convert to fraction form
    198,174.16/297,260.42 = 71,784.82/x
  3. Step 3: Cross multiply
    198,174.16x = 297,260.42 × 71,784.82
  4. Step 4: Simplify right side
    198,174.16x = 21,338,785,742.82
  5. Step 5: Solve for x
    x = 21,338,785,742.82/198,174.16
  6. Step 6: Final answer
    x = 107,676.93

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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.