Home / 161,736.30-242,823.15-102,687.30

Finding the Fourth Proportional to 161,736.30, 242,823.15 and 102,687.30

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Solution

The fourth proportional to 161,736.30, 242,823.15 and 102,687.30 is: 154,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,736.30 : 242,823.15 = 102,687.30 : x
  2. Step 2: Convert to fraction form
    161,736.30/242,823.15 = 102,687.30/x
  3. Step 3: Cross multiply
    161,736.30x = 242,823.15 × 102,687.30
  4. Step 4: Simplify right side
    161,736.30x = 24,934,853,651.00
  5. Step 5: Solve for x
    x = 24,934,853,651.00/161,736.30
  6. Step 6: Final answer
    x = 154,169.80

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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.