Home / 220,109.64-329,428.79-125,314.38

Finding the Fourth Proportional to 220,109.64, 329,428.79 and 125,314.38

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Solution

The fourth proportional to 220,109.64, 329,428.79 and 125,314.38 is: 187,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109.64 : 329,428.79 = 125,314.38 : x
  2. Step 2: Convert to fraction form
    220,109.64/329,428.79 = 125,314.38/x
  3. Step 3: Cross multiply
    220,109.64x = 329,428.79 × 125,314.38
  4. Step 4: Simplify right side
    220,109.64x = 41,282,164,573.00
  5. Step 5: Solve for x
    x = 41,282,164,573.00/220,109.64
  6. Step 6: Final answer
    x = 187,552.73

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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.