Home / 144,890.75-217,356.41-136,922.75

Finding the Fourth Proportional to 144,890.75, 217,356.41 and 136,922.75

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Solution

The fourth proportional to 144,890.75, 217,356.41 and 136,922.75 is: 205,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,890.75 : 217,356.41 = 136,922.75 : x
  2. Step 2: Convert to fraction form
    144,890.75/217,356.41 = 136,922.75/x
  3. Step 3: Cross multiply
    144,890.75x = 217,356.41 × 136,922.75
  4. Step 4: Simplify right side
    144,890.75x = 29,761,036,702.71
  5. Step 5: Solve for x
    x = 29,761,036,702.71/144,890.75
  6. Step 6: Final answer
    x = 205,403.29

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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.