Home / 165,134.84-227,669.20-119,155.86

Finding the Fourth Proportional to 165,134.84, 227,669.20 and 119,155.86

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Solution

The fourth proportional to 165,134.84, 227,669.20 and 119,155.86 is: 164,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,134.84 : 227,669.20 = 119,155.86 : x
  2. Step 2: Convert to fraction form
    165,134.84/227,669.20 = 119,155.86/x
  3. Step 3: Cross multiply
    165,134.84x = 227,669.20 × 119,155.86
  4. Step 4: Simplify right side
    165,134.84x = 27,128,119,023.62
  5. Step 5: Solve for x
    x = 27,128,119,023.62/165,134.84
  6. Step 6: Final answer
    x = 164,278.60

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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.