Home / 109,333.56-163,996.68-45,289.71

Finding the Fourth Proportional to 109,333.56, 163,996.68 and 45,289.71

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Solution

The fourth proportional to 109,333.56, 163,996.68 and 45,289.71 is: 67,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,333.56 : 163,996.68 = 45,289.71 : x
  2. Step 2: Convert to fraction form
    109,333.56/163,996.68 = 45,289.71/x
  3. Step 3: Cross multiply
    109,333.56x = 163,996.68 × 45,289.71
  4. Step 4: Simplify right side
    109,333.56x = 7,427,362,078.16
  5. Step 5: Solve for x
    x = 7,427,362,078.16/109,333.56
  6. Step 6: Final answer
    x = 67,933.05

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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.