Home / 161,000.16-241,493.76-82,112.64

Finding the Fourth Proportional to 161,000.16, 241,493.76 and 82,112.64

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Solution

The fourth proportional to 161,000.16, 241,493.76 and 82,112.64 is: 123,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,000.16 : 241,493.76 = 82,112.64 : x
  2. Step 2: Convert to fraction form
    161,000.16/241,493.76 = 82,112.64/x
  3. Step 3: Cross multiply
    161,000.16x = 241,493.76 × 82,112.64
  4. Step 4: Simplify right side
    161,000.16x = 19,829,690,177.13
  5. Step 5: Solve for x
    x = 19,829,690,177.13/161,000.16
  6. Step 6: Final answer
    x = 123,165.66

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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.