Home / 190,380.58-262,722.05-104,338.90

Finding the Fourth Proportional to 190,380.58, 262,722.05 and 104,338.90

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Solution

The fourth proportional to 190,380.58, 262,722.05 and 104,338.90 is: 143,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,380.58 : 262,722.05 = 104,338.90 : x
  2. Step 2: Convert to fraction form
    190,380.58/262,722.05 = 104,338.90/x
  3. Step 3: Cross multiply
    190,380.58x = 262,722.05 × 104,338.90
  4. Step 4: Simplify right side
    190,380.58x = 27,412,129,702.75
  5. Step 5: Solve for x
    x = 27,412,129,702.75/190,380.58
  6. Step 6: Final answer
    x = 143,985.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.