Home / 109,313.64-163,989.12-50,154.36

Finding the Fourth Proportional to 109,313.64, 163,989.12 and 50,154.36

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Solution

The fourth proportional to 109,313.64, 163,989.12 and 50,154.36 is: 75,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,313.64 : 163,989.12 = 50,154.36 : x
  2. Step 2: Convert to fraction form
    109,313.64/163,989.12 = 50,154.36/x
  3. Step 3: Cross multiply
    109,313.64x = 163,989.12 × 50,154.36
  4. Step 4: Simplify right side
    109,313.64x = 8,224,769,360.56
  5. Step 5: Solve for x
    x = 8,224,769,360.56/109,313.64
  6. Step 6: Final answer
    x = 75,240.10

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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.