Home / 125,220.26-187,852.25-55,097.75

Finding the Fourth Proportional to 125,220.26, 187,852.25 and 55,097.75

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Solution

The fourth proportional to 125,220.26, 187,852.25 and 55,097.75 is: 82,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,220.26 : 187,852.25 = 55,097.75 : x
  2. Step 2: Convert to fraction form
    125,220.26/187,852.25 = 55,097.75/x
  3. Step 3: Cross multiply
    125,220.26x = 187,852.25 × 55,097.75
  4. Step 4: Simplify right side
    125,220.26x = 10,350,235,505.92
  5. Step 5: Solve for x
    x = 10,350,235,505.92/125,220.26
  6. Step 6: Final answer
    x = 82,656.24

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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.