Home / 125,962.23-188,021.78-111,015.98

Finding the Fourth Proportional to 125,962.23, 188,021.78 and 111,015.98

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Solution

The fourth proportional to 125,962.23, 188,021.78 and 111,015.98 is: 165,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,962.23 : 188,021.78 = 111,015.98 : x
  2. Step 2: Convert to fraction form
    125,962.23/188,021.78 = 111,015.98/x
  3. Step 3: Cross multiply
    125,962.23x = 188,021.78 × 111,015.98
  4. Step 4: Simplify right side
    125,962.23x = 20,873,422,168.04
  5. Step 5: Solve for x
    x = 20,873,422,168.04/125,962.23
  6. Step 6: Final answer
    x = 165,711.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.