Home / 142,003.22-212,801.85-104,267.22

Finding the Fourth Proportional to 142,003.22, 212,801.85 and 104,267.22

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Solution

The fourth proportional to 142,003.22, 212,801.85 and 104,267.22 is: 156,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,003.22 : 212,801.85 = 104,267.22 : x
  2. Step 2: Convert to fraction form
    142,003.22/212,801.85 = 104,267.22/x
  3. Step 3: Cross multiply
    142,003.22x = 212,801.85 × 104,267.22
  4. Step 4: Simplify right side
    142,003.22x = 22,188,257,310.36
  5. Step 5: Solve for x
    x = 22,188,257,310.36/142,003.22
  6. Step 6: Final answer
    x = 156,251.80

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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.