Home / 198,085.48-273,355.50-107,440

Finding the Fourth Proportional to 198,085.48, 273,355.50 and 107,440

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Solution

The fourth proportional to 198,085.48, 273,355.50 and 107,440 is: 148,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,085.48 : 273,355.50 = 107,440 : x
  2. Step 2: Convert to fraction form
    198,085.48/273,355.50 = 107,440/x
  3. Step 3: Cross multiply
    198,085.48x = 273,355.50 × 107,440
  4. Step 4: Simplify right side
    198,085.48x = 29,369,314,920
  5. Step 5: Solve for x
    x = 29,369,314,920/198,085.48
  6. Step 6: Final answer
    x = 148,265.86

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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.