Home / 182,178.96-251,280-120,913.80

Finding the Fourth Proportional to 182,178.96, 251,280 and 120,913.80

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Solution

The fourth proportional to 182,178.96, 251,280 and 120,913.80 is: 166,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,178.96 : 251,280 = 120,913.80 : x
  2. Step 2: Convert to fraction form
    182,178.96/251,280 = 120,913.80/x
  3. Step 3: Cross multiply
    182,178.96x = 251,280 × 120,913.80
  4. Step 4: Simplify right side
    182,178.96x = 30,383,219,664
  5. Step 5: Solve for x
    x = 30,383,219,664/182,178.96
  6. Step 6: Final answer
    x = 166,776.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.