Home / 156,291.75-234,723.62-143,116.42

Finding the Fourth Proportional to 156,291.75, 234,723.62 and 143,116.42

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Solution

The fourth proportional to 156,291.75, 234,723.62 and 143,116.42 is: 214,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,291.75 : 234,723.62 = 143,116.42 : x
  2. Step 2: Convert to fraction form
    156,291.75/234,723.62 = 143,116.42/x
  3. Step 3: Cross multiply
    156,291.75x = 234,723.62 × 143,116.42
  4. Step 4: Simplify right side
    156,291.75x = 33,592,804,183.84
  5. Step 5: Solve for x
    x = 33,592,804,183.84/156,291.75
  6. Step 6: Final answer
    x = 214,936.52

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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.