Home / 109,319.52-164,163.60-103,707.84

Finding the Fourth Proportional to 109,319.52, 164,163.60 and 103,707.84

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Solution

The fourth proportional to 109,319.52, 164,163.60 and 103,707.84 is: 155,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,319.52 : 164,163.60 = 103,707.84 : x
  2. Step 2: Convert to fraction form
    109,319.52/164,163.60 = 103,707.84/x
  3. Step 3: Cross multiply
    109,319.52x = 164,163.60 × 103,707.84
  4. Step 4: Simplify right side
    109,319.52x = 17,025,052,362.62
  5. Step 5: Solve for x
    x = 17,025,052,362.62/109,319.52
  6. Step 6: Final answer
    x = 155,736.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.