Home / 125,997.62-188,991.70-31,228.12

Finding the Fourth Proportional to 125,997.62, 188,991.70 and 31,228.12

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Solution

The fourth proportional to 125,997.62, 188,991.70 and 31,228.12 is: 46,841.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,997.62 : 188,991.70 = 31,228.12 : x
  2. Step 2: Convert to fraction form
    125,997.62/188,991.70 = 31,228.12/x
  3. Step 3: Cross multiply
    125,997.62x = 188,991.70 × 31,228.12
  4. Step 4: Simplify right side
    125,997.62x = 5,901,855,486.60
  5. Step 5: Solve for x
    x = 5,901,855,486.60/125,997.62
  6. Step 6: Final answer
    x = 46,841.01

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1.5x scale

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.