Home / 161,823.78-242,735.42-43,495.04

Finding the Fourth Proportional to 161,823.78, 242,735.42 and 43,495.04

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Solution

The fourth proportional to 161,823.78, 242,735.42 and 43,495.04 is: 65,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,823.78 : 242,735.42 = 43,495.04 : x
  2. Step 2: Convert to fraction form
    161,823.78/242,735.42 = 43,495.04/x
  3. Step 3: Cross multiply
    161,823.78x = 242,735.42 × 43,495.04
  4. Step 4: Simplify right side
    161,823.78x = 10,557,786,802.32
  5. Step 5: Solve for x
    x = 10,557,786,802.32/161,823.78
  6. Step 6: Final answer
    x = 65,242.49

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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.