Home / 161,320.32-241,992-42,991.04

Finding the Fourth Proportional to 161,320.32, 241,992 and 42,991.04

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Solution

The fourth proportional to 161,320.32, 241,992 and 42,991.04 is: 64,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,320.32 : 241,992 = 42,991.04 : x
  2. Step 2: Convert to fraction form
    161,320.32/241,992 = 42,991.04/x
  3. Step 3: Cross multiply
    161,320.32x = 241,992 × 42,991.04
  4. Step 4: Simplify right side
    161,320.32x = 10,403,487,751.68
  5. Step 5: Solve for x
    x = 10,403,487,751.68/161,320.32
  6. Step 6: Final answer
    x = 64,489.63

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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.