Home / 234,947.22-324,227.64-139,473.06

Finding the Fourth Proportional to 234,947.22, 324,227.64 and 139,473.06

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Solution

The fourth proportional to 234,947.22, 324,227.64 and 139,473.06 is: 192,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,947.22 : 324,227.64 = 139,473.06 : x
  2. Step 2: Convert to fraction form
    234,947.22/324,227.64 = 139,473.06/x
  3. Step 3: Cross multiply
    234,947.22x = 324,227.64 × 139,473.06
  4. Step 4: Simplify right side
    234,947.22x = 45,221,021,087.38
  5. Step 5: Solve for x
    x = 45,221,021,087.38/234,947.22
  6. Step 6: Final answer
    x = 192,473.11

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1.5x scale

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.