Home / 161,845.49-242,548.54-85,924.85

Finding the Fourth Proportional to 161,845.49, 242,548.54 and 85,924.85

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Solution

The fourth proportional to 161,845.49, 242,548.54 and 85,924.85 is: 128,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,845.49 : 242,548.54 = 85,924.85 : x
  2. Step 2: Convert to fraction form
    161,845.49/242,548.54 = 85,924.85/x
  3. Step 3: Cross multiply
    161,845.49x = 242,548.54 × 85,924.85
  4. Step 4: Simplify right side
    161,845.49x = 20,840,945,489.66
  5. Step 5: Solve for x
    x = 20,840,945,489.66/161,845.49
  6. Step 6: Final answer
    x = 128,770.63

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1.5x scale

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.