Home / 198,240.34-297,201.93-103,422.94

Finding the Fourth Proportional to 198,240.34, 297,201.93 and 103,422.94

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Solution

The fourth proportional to 198,240.34, 297,201.93 and 103,422.94 is: 155,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,240.34 : 297,201.93 = 103,422.94 : x
  2. Step 2: Convert to fraction form
    198,240.34/297,201.93 = 103,422.94/x
  3. Step 3: Cross multiply
    198,240.34x = 297,201.93 × 103,422.94
  4. Step 4: Simplify right side
    198,240.34x = 30,737,497,374.27
  5. Step 5: Solve for x
    x = 30,737,497,374.27/198,240.34
  6. Step 6: Final answer
    x = 155,051.68

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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.