Home / 161,723.10-242,584.65-82,811.10

Finding the Fourth Proportional to 161,723.10, 242,584.65 and 82,811.10

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Solution

The fourth proportional to 161,723.10, 242,584.65 and 82,811.10 is: 124,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,723.10 : 242,584.65 = 82,811.10 : x
  2. Step 2: Convert to fraction form
    161,723.10/242,584.65 = 82,811.10/x
  3. Step 3: Cross multiply
    161,723.10x = 242,584.65 × 82,811.10
  4. Step 4: Simplify right side
    161,723.10x = 20,088,701,709.62
  5. Step 5: Solve for x
    x = 20,088,701,709.62/161,723.10
  6. Step 6: Final answer
    x = 124,216.65

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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.