Home / 214,920.86-322,157.05-120,011.90

Finding the Fourth Proportional to 214,920.86, 322,157.05 and 120,011.90

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Solution

The fourth proportional to 214,920.86, 322,157.05 and 120,011.90 is: 179,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,920.86 : 322,157.05 = 120,011.90 : x
  2. Step 2: Convert to fraction form
    214,920.86/322,157.05 = 120,011.90/x
  3. Step 3: Cross multiply
    214,920.86x = 322,157.05 × 120,011.90
  4. Step 4: Simplify right side
    214,920.86x = 38,662,677,758.08
  5. Step 5: Solve for x
    x = 38,662,677,758.08/214,920.86
  6. Step 6: Final answer
    x = 179,892.63

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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.