Home / 146,367.12-219,199.86-75,102.21

Finding the Fourth Proportional to 146,367.12, 219,199.86 and 75,102.21

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Solution

The fourth proportional to 146,367.12, 219,199.86 and 75,102.21 is: 112,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,367.12 : 219,199.86 = 75,102.21 : x
  2. Step 2: Convert to fraction form
    146,367.12/219,199.86 = 75,102.21/x
  3. Step 3: Cross multiply
    146,367.12x = 219,199.86 × 75,102.21
  4. Step 4: Simplify right side
    146,367.12x = 16,462,393,917.69
  5. Step 5: Solve for x
    x = 16,462,393,917.69/146,367.12
  6. Step 6: Final answer
    x = 112,473.31

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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.