Home / 189,636.96-261,697.44-104,753.28

Finding the Fourth Proportional to 189,636.96, 261,697.44 and 104,753.28

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Solution

The fourth proportional to 189,636.96, 261,697.44 and 104,753.28 is: 144,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,636.96 : 261,697.44 = 104,753.28 : x
  2. Step 2: Convert to fraction form
    189,636.96/261,697.44 = 104,753.28/x
  3. Step 3: Cross multiply
    189,636.96x = 261,697.44 × 104,753.28
  4. Step 4: Simplify right side
    189,636.96x = 27,413,665,207.60
  5. Step 5: Solve for x
    x = 27,413,665,207.60/189,636.96
  6. Step 6: Final answer
    x = 144,558.66

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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.