Home / 148,399.28-222,601.36-41,785.81

Finding the Fourth Proportional to 148,399.28, 222,601.36 and 41,785.81

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Solution

The fourth proportional to 148,399.28, 222,601.36 and 41,785.81 is: 62,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,399.28 : 222,601.36 = 41,785.81 : x
  2. Step 2: Convert to fraction form
    148,399.28/222,601.36 = 41,785.81/x
  3. Step 3: Cross multiply
    148,399.28x = 222,601.36 × 41,785.81
  4. Step 4: Simplify right side
    148,399.28x = 9,301,577,021.69
  5. Step 5: Solve for x
    x = 9,301,577,021.69/148,399.28
  6. Step 6: Final answer
    x = 62,679.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.