Home / 214,929.44-322,407.84-120,158.72

Finding the Fourth Proportional to 214,929.44, 322,407.84 and 120,158.72

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Solution

The fourth proportional to 214,929.44, 322,407.84 and 120,158.72 is: 180,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,929.44 : 322,407.84 = 120,158.72 : x
  2. Step 2: Convert to fraction form
    214,929.44/322,407.84 = 120,158.72/x
  3. Step 3: Cross multiply
    214,929.44x = 322,407.84 × 120,158.72
  4. Step 4: Simplify right side
    214,929.44x = 38,740,113,372.36
  5. Step 5: Solve for x
    x = 38,740,113,372.36/214,929.44
  6. Step 6: Final answer
    x = 180,245.73

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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.