Home / 107,856.20-161,880.30-63,427.40

Finding the Fourth Proportional to 107,856.20, 161,880.30 and 63,427.40

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Solution

The fourth proportional to 107,856.20, 161,880.30 and 63,427.40 is: 95,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,856.20 : 161,880.30 = 63,427.40 : x
  2. Step 2: Convert to fraction form
    107,856.20/161,880.30 = 63,427.40/x
  3. Step 3: Cross multiply
    107,856.20x = 161,880.30 × 63,427.40
  4. Step 4: Simplify right side
    107,856.20x = 10,267,646,540.22
  5. Step 5: Solve for x
    x = 10,267,646,540.22/107,856.20
  6. Step 6: Final answer
    x = 95,197.56

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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.