Home / 144,836.67-199,874.34-81,174.45

Finding the Fourth Proportional to 144,836.67, 199,874.34 and 81,174.45

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Solution

The fourth proportional to 144,836.67, 199,874.34 and 81,174.45 is: 112,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,836.67 : 199,874.34 = 81,174.45 : x
  2. Step 2: Convert to fraction form
    144,836.67/199,874.34 = 81,174.45/x
  3. Step 3: Cross multiply
    144,836.67x = 199,874.34 × 81,174.45
  4. Step 4: Simplify right side
    144,836.67x = 16,224,689,618.61
  5. Step 5: Solve for x
    x = 16,224,689,618.61/144,836.67
  6. Step 6: Final answer
    x = 112,020.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.