Home / 116,719.83-161,066.75-68,977.62

Finding the Fourth Proportional to 116,719.83, 161,066.75 and 68,977.62

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Solution

The fourth proportional to 116,719.83, 161,066.75 and 68,977.62 is: 95,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,719.83 : 161,066.75 = 68,977.62 : x
  2. Step 2: Convert to fraction form
    116,719.83/161,066.75 = 68,977.62/x
  3. Step 3: Cross multiply
    116,719.83x = 161,066.75 × 68,977.62
  4. Step 4: Simplify right side
    116,719.83x = 11,110,000,443.25
  5. Step 5: Solve for x
    x = 11,110,000,443.25/116,719.83
  6. Step 6: Final answer
    x = 95,185.20

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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.