Home / 116,730.45-161,081.42-68,988.24

Finding the Fourth Proportional to 116,730.45, 161,081.42 and 68,988.24

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Solution

The fourth proportional to 116,730.45, 161,081.42 and 68,988.24 is: 95,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,730.45 : 161,081.42 = 68,988.24 : x
  2. Step 2: Convert to fraction form
    116,730.45/161,081.42 = 68,988.24/x
  3. Step 3: Cross multiply
    116,730.45x = 161,081.42 × 68,988.24
  4. Step 4: Simplify right side
    116,730.45x = 11,112,723,317.56
  5. Step 5: Solve for x
    x = 11,112,723,317.56/116,730.45
  6. Step 6: Final answer
    x = 95,199.87

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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.