Home / 218,768.22-328,152.33-125,208.36

Finding the Fourth Proportional to 218,768.22, 328,152.33 and 125,208.36

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Solution

The fourth proportional to 218,768.22, 328,152.33 and 125,208.36 is: 187,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,768.22 : 328,152.33 = 125,208.36 : x
  2. Step 2: Convert to fraction form
    218,768.22/328,152.33 = 125,208.36/x
  3. Step 3: Cross multiply
    218,768.22x = 328,152.33 × 125,208.36
  4. Step 4: Simplify right side
    218,768.22x = 41,087,415,069.48
  5. Step 5: Solve for x
    x = 41,087,415,069.48/218,768.22
  6. Step 6: Final answer
    x = 187,812.54

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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.