Home / 145,997.06-201,474.06-82,355.36

Finding the Fourth Proportional to 145,997.06, 201,474.06 and 82,355.36

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Solution

The fourth proportional to 145,997.06, 201,474.06 and 82,355.36 is: 113,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,997.06 : 201,474.06 = 82,355.36 : x
  2. Step 2: Convert to fraction form
    145,997.06/201,474.06 = 82,355.36/x
  3. Step 3: Cross multiply
    145,997.06x = 201,474.06 × 82,355.36
  4. Step 4: Simplify right side
    145,997.06x = 16,592,468,741.96
  5. Step 5: Solve for x
    x = 16,592,468,741.96/145,997.06
  6. Step 6: Final answer
    x = 113,649.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.