Home / 198,429.36-273,834.56-107,787.08

Finding the Fourth Proportional to 198,429.36, 273,834.56 and 107,787.08

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Solution

The fourth proportional to 198,429.36, 273,834.56 and 107,787.08 is: 148,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,429.36 : 273,834.56 = 107,787.08 : x
  2. Step 2: Convert to fraction form
    198,429.36/273,834.56 = 107,787.08/x
  3. Step 3: Cross multiply
    198,429.36x = 273,834.56 × 107,787.08
  4. Step 4: Simplify right side
    198,429.36x = 29,515,827,625.48
  5. Step 5: Solve for x
    x = 29,515,827,625.48/198,429.36
  6. Step 6: Final answer
    x = 148,747.28

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1.5x scale

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.