Home / 149,020.75-223,531.67-141,546.07

Finding the Fourth Proportional to 149,020.75, 223,531.67 and 141,546.07

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Solution

The fourth proportional to 149,020.75, 223,531.67 and 141,546.07 is: 212,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020.75 : 223,531.67 = 141,546.07 : x
  2. Step 2: Convert to fraction form
    149,020.75/223,531.67 = 141,546.07/x
  3. Step 3: Cross multiply
    149,020.75x = 223,531.67 × 141,546.07
  4. Step 4: Simplify right side
    149,020.75x = 31,640,029,409.04
  5. Step 5: Solve for x
    x = 31,640,029,409.04/149,020.75
  6. Step 6: Final answer
    x = 212,319.62

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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.