Home / 161,569.36-242,403.44-82,739.36

Finding the Fourth Proportional to 161,569.36, 242,403.44 and 82,739.36

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Solution

The fourth proportional to 161,569.36, 242,403.44 and 82,739.36 is: 124,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,569.36 : 242,403.44 = 82,739.36 : x
  2. Step 2: Convert to fraction form
    161,569.36/242,403.44 = 82,739.36/x
  3. Step 3: Cross multiply
    161,569.36x = 242,403.44 × 82,739.36
  4. Step 4: Simplify right side
    161,569.36x = 20,056,305,487.40
  5. Step 5: Solve for x
    x = 20,056,305,487.40/161,569.36
  6. Step 6: Final answer
    x = 124,134.34

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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.