Home / 106,162.76-146,455.62-68,449.16

Finding the Fourth Proportional to 106,162.76, 146,455.62 and 68,449.16

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Solution

The fourth proportional to 106,162.76, 146,455.62 and 68,449.16 is: 94,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,162.76 : 146,455.62 = 68,449.16 : x
  2. Step 2: Convert to fraction form
    106,162.76/146,455.62 = 68,449.16/x
  3. Step 3: Cross multiply
    106,162.76x = 146,455.62 × 68,449.16
  4. Step 4: Simplify right side
    106,162.76x = 10,024,764,166.28
  5. Step 5: Solve for x
    x = 10,024,764,166.28/106,162.76
  6. Step 6: Final answer
    x = 94,428.25

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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.