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Finding the Fourth Proportional to 144,738, 217,111.26 and 123,544.41

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Solution

The fourth proportional to 144,738, 217,111.26 and 123,544.41 is: 185,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,738 : 217,111.26 = 123,544.41 : x
  2. Step 2: Convert to fraction form
    144,738/217,111.26 = 123,544.41/x
  3. Step 3: Cross multiply
    144,738x = 217,111.26 × 123,544.41
  4. Step 4: Simplify right side
    144,738x = 26,822,882,521.06
  5. Step 5: Solve for x
    x = 26,822,882,521.06/144,738
  6. Step 6: Final answer
    x = 185,320.25

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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.