Home / 155,205.03-214,260.45-101,571.96

Finding the Fourth Proportional to 155,205.03, 214,260.45 and 101,571.96

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Solution

The fourth proportional to 155,205.03, 214,260.45 and 101,571.96 is: 140,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,205.03 : 214,260.45 = 101,571.96 : x
  2. Step 2: Convert to fraction form
    155,205.03/214,260.45 = 101,571.96/x
  3. Step 3: Cross multiply
    155,205.03x = 214,260.45 × 101,571.96
  4. Step 4: Simplify right side
    155,205.03x = 21,762,854,279.56
  5. Step 5: Solve for x
    x = 21,762,854,279.56/155,205.03
  6. Step 6: Final answer
    x = 140,220.03

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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.