Home / 209,669.11-289,346.82-119,027.75

Finding the Fourth Proportional to 209,669.11, 289,346.82 and 119,027.75

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Solution

The fourth proportional to 209,669.11, 289,346.82 and 119,027.75 is: 164,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,669.11 : 289,346.82 = 119,027.75 : x
  2. Step 2: Convert to fraction form
    209,669.11/289,346.82 = 119,027.75/x
  3. Step 3: Cross multiply
    209,669.11x = 289,346.82 × 119,027.75
  4. Step 4: Simplify right side
    209,669.11x = 34,440,299,061.17
  5. Step 5: Solve for x
    x = 34,440,299,061.17/209,669.11
  6. Step 6: Final answer
    x = 164,260.25

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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.