Home / 146,999.30-220,614.15-68,123.30

Finding the Fourth Proportional to 146,999.30, 220,614.15 and 68,123.30

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Solution

The fourth proportional to 146,999.30, 220,614.15 and 68,123.30 is: 102,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,999.30 : 220,614.15 = 68,123.30 : x
  2. Step 2: Convert to fraction form
    146,999.30/220,614.15 = 68,123.30/x
  3. Step 3: Cross multiply
    146,999.30x = 220,614.15 × 68,123.30
  4. Step 4: Simplify right side
    146,999.30x = 15,028,963,924.70
  5. Step 5: Solve for x
    x = 15,028,963,924.70/146,999.30
  6. Step 6: Final answer
    x = 102,238.34

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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.