Home / 161,736.90-242,641.80-49,422.30

Finding the Fourth Proportional to 161,736.90, 242,641.80 and 49,422.30

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Solution

The fourth proportional to 161,736.90, 242,641.80 and 49,422.30 is: 74,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,736.90 : 242,641.80 = 49,422.30 : x
  2. Step 2: Convert to fraction form
    161,736.90/242,641.80 = 49,422.30/x
  3. Step 3: Cross multiply
    161,736.90x = 242,641.80 × 49,422.30
  4. Step 4: Simplify right side
    161,736.90x = 11,991,915,832.14
  5. Step 5: Solve for x
    x = 11,991,915,832.14/161,736.90
  6. Step 6: Final answer
    x = 74,144.59

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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.