Home / 144,213.40-198,733.32-103,850.89

Finding the Fourth Proportional to 144,213.40, 198,733.32 and 103,850.89

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Solution

The fourth proportional to 144,213.40, 198,733.32 and 103,850.89 is: 143,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,213.40 : 198,733.32 = 103,850.89 : x
  2. Step 2: Convert to fraction form
    144,213.40/198,733.32 = 103,850.89/x
  3. Step 3: Cross multiply
    144,213.40x = 198,733.32 × 103,850.89
  4. Step 4: Simplify right side
    144,213.40x = 20,638,632,154.65
  5. Step 5: Solve for x
    x = 20,638,632,154.65/144,213.40
  6. Step 6: Final answer
    x = 143,111.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.