Home / 84,179.12-116,167.85-45,938.96

Finding the Fourth Proportional to 84,179.12, 116,167.85 and 45,938.96

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Solution

The fourth proportional to 84,179.12, 116,167.85 and 45,938.96 is: 63,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,179.12 : 116,167.85 = 45,938.96 : x
  2. Step 2: Convert to fraction form
    84,179.12/116,167.85 = 45,938.96/x
  3. Step 3: Cross multiply
    84,179.12x = 116,167.85 × 45,938.96
  4. Step 4: Simplify right side
    84,179.12x = 5,336,630,923.65
  5. Step 5: Solve for x
    x = 5,336,630,923.65/84,179.12
  6. Step 6: Final answer
    x = 63,396.14

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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.