Home / 144,929.28-217,400.40-39,745.92

Finding the Fourth Proportional to 144,929.28, 217,400.40 and 39,745.92

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Solution

The fourth proportional to 144,929.28, 217,400.40 and 39,745.92 is: 59,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,929.28 : 217,400.40 = 39,745.92 : x
  2. Step 2: Convert to fraction form
    144,929.28/217,400.40 = 39,745.92/x
  3. Step 3: Cross multiply
    144,929.28x = 217,400.40 × 39,745.92
  4. Step 4: Simplify right side
    144,929.28x = 8,640,778,906.37
  5. Step 5: Solve for x
    x = 8,640,778,906.37/144,929.28
  6. Step 6: Final answer
    x = 59,620.66

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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.