Home / 143,435.40-214,732.50-100,592.34

Finding the Fourth Proportional to 143,435.40, 214,732.50 and 100,592.34

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Solution

The fourth proportional to 143,435.40, 214,732.50 and 100,592.34 is: 150,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,435.40 : 214,732.50 = 100,592.34 : x
  2. Step 2: Convert to fraction form
    143,435.40/214,732.50 = 100,592.34/x
  3. Step 3: Cross multiply
    143,435.40x = 214,732.50 × 100,592.34
  4. Step 4: Simplify right side
    143,435.40x = 21,600,444,649.05
  5. Step 5: Solve for x
    x = 21,600,444,649.05/143,435.40
  6. Step 6: Final answer
    x = 150,593.54

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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.