Home / 107,336.30-161,004.45-89,969.90

Finding the Fourth Proportional to 107,336.30, 161,004.45 and 89,969.90

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Solution

The fourth proportional to 107,336.30, 161,004.45 and 89,969.90 is: 134,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,336.30 : 161,004.45 = 89,969.90 : x
  2. Step 2: Convert to fraction form
    107,336.30/161,004.45 = 89,969.90/x
  3. Step 3: Cross multiply
    107,336.30x = 161,004.45 × 89,969.90
  4. Step 4: Simplify right side
    107,336.30x = 14,485,554,266.06
  5. Step 5: Solve for x
    x = 14,485,554,266.06/107,336.30
  6. Step 6: Final answer
    x = 134,954.85

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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.