Home / 146,324.28-219,483.31-67,438.51

Finding the Fourth Proportional to 146,324.28, 219,483.31 and 67,438.51

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Solution

The fourth proportional to 146,324.28, 219,483.31 and 67,438.51 is: 101,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,324.28 : 219,483.31 = 67,438.51 : x
  2. Step 2: Convert to fraction form
    146,324.28/219,483.31 = 67,438.51/x
  3. Step 3: Cross multiply
    146,324.28x = 219,483.31 × 67,438.51
  4. Step 4: Simplify right side
    146,324.28x = 14,801,626,678.96
  5. Step 5: Solve for x
    x = 14,801,626,678.96/146,324.28
  6. Step 6: Final answer
    x = 101,156.33

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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.