Home / 84,165.21-116,148.38-46,439.46

Finding the Fourth Proportional to 84,165.21, 116,148.38 and 46,439.46

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Solution

The fourth proportional to 84,165.21, 116,148.38 and 46,439.46 is: 64,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,165.21 : 116,148.38 = 46,439.46 : x
  2. Step 2: Convert to fraction form
    84,165.21/116,148.38 = 46,439.46/x
  3. Step 3: Cross multiply
    84,165.21x = 116,148.38 × 46,439.46
  4. Step 4: Simplify right side
    84,165.21x = 5,393,867,582.43
  5. Step 5: Solve for x
    x = 5,393,867,582.43/84,165.21
  6. Step 6: Final answer
    x = 64,086.67

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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.