Home / 149,309.70-205,974.81-95,551.62

Finding the Fourth Proportional to 149,309.70, 205,974.81 and 95,551.62

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Solution

The fourth proportional to 149,309.70, 205,974.81 and 95,551.62 is: 131,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,309.70 : 205,974.81 = 95,551.62 : x
  2. Step 2: Convert to fraction form
    149,309.70/205,974.81 = 95,551.62/x
  3. Step 3: Cross multiply
    149,309.70x = 205,974.81 × 95,551.62
  4. Step 4: Simplify right side
    149,309.70x = 19,681,226,774.69
  5. Step 5: Solve for x
    x = 19,681,226,774.69/149,309.70
  6. Step 6: Final answer
    x = 131,814.79

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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.