Home / 119,787.37-179,797.91-98,939.79

Finding the Fourth Proportional to 119,787.37, 179,797.91 and 98,939.79

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Solution

The fourth proportional to 119,787.37, 179,797.91 and 98,939.79 is: 148,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,787.37 : 179,797.91 = 98,939.79 : x
  2. Step 2: Convert to fraction form
    119,787.37/179,797.91 = 98,939.79/x
  3. Step 3: Cross multiply
    119,787.37x = 179,797.91 × 98,939.79
  4. Step 4: Simplify right side
    119,787.37x = 17,789,166,963.14
  5. Step 5: Solve for x
    x = 17,789,166,963.14/119,787.37
  6. Step 6: Final answer
    x = 148,506.20

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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.